23s2s

✏️ Editing: 1775070050.M815861P1960182.mgh-web11.maghost.ro,S=52159,W=53143

Envelope-to: jeffrey_brown@naturallights.biz
Delivery-date: Wed, 01 Apr 2026 22:00:50 +0300
CFBL-Address: fbl-report@acems1.com; report=arf
Date: Wed, 1 Apr 2026 00:03:24 +0000 (GMT)
From: Postmark Team <hello@fyi.postmarkapp.com>
To: jeffrey_brown@naturallights.biz
Message-ID: <1821821773.3874286.1775001804040@cell-4-656d8974c-zktj4>
Subject: Bulk API, a major infrastructure upgrade, and a same-day rescue
 story
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Here's what happened at Postmark in March!Bulk API is here, we migrated to =
KumoMTA, and a customer story about email saving the day overnight.=20

https://postmarkapp.com=20

Hey there ,=20

March was a big month. The Bulk API is now available, we completed a major =
infrastructure migration under the hood, and we're heading to Portland next=
 month for MicroConf. Plus, a customer story about how Postmark saved a bus=
iness overnight. Let's get into it.=20

**Shipped**  https://postmarkapp.com/bulk-api   Bulk API is now available=
=20

As we mentioned earlier this month, the Bulk API is here. Define your messa=
ge content once, pass a list of recipients, and Postmark compiles and deliv=
ers the individual messages on our end. One API call, thousands of emails, =
and dramatically smaller payloads. We'll even handle send-speed optimizatio=
n so your messages land in the inbox.=20

It's available to all Postmark customers! Just contact our support team htt=
ps://postmarkapp.com/contact to get it enabled for your account, then check=
 out the API documentation https://postmarkapp.com/developer/api/bulk-email=
 to get started.=20

Already using it? We'd love your feedback. Share your thoughts here https:/=
/docs.google.com/forms/d/e/1FAIpQLSdGxPsbFUvj9vd41EV1f7BDP0M93jkimGQbUA-zJl=
64Dmen6w/viewform?usp=3Dheader.=20

Learn more about the Bulk API https://postmarkapp.com/bulk-api=20

We migrated our email infrastructure to KumoMTA=20

We completed a migration from our previous MTA to KumoMTA, a modern open-so=
urce mail transfer agent. The result? Faster queue processing, improved del=
ivery performance across major inbox providers like Gmail, Yahoo, Microsoft=
, and Apple, and a foundation that gives us more flexibility to keep improv=
ing things.=20

Read the full story on our blog https://postmarkapp.com/blog/we-migrated-ou=
r-email-infrastructure-to-kumomta-heres-why-it-matters-for-you=20

**Customer spotlight**  https://100hires.com/   This month we're featuring =
Alex Kravets, CEO of 100Hires https://100hires.com/, an applicant tracking =
system featured by Forbes as the best ATS for SMBs and startups. When their=
 previous email provider shut them down overnight, Postmark got them back u=
p and running the same day. Here's his story.=20

How would you describe yourself in one sentence?=20

CEO of 100Hires, an applicant tracking system featured by Forbes as the bes=
t ATS for SMBs and startups=20

Can you tell us a little bit about your experience and the work you do?=20

I'm the founder and CEO of 100Hires, an ATS (Applicant Tracking System) tha=
t helps recruiting teams manage candidates, schedule interviews, and collab=
orate on hiring decisions. We serve thousands of teams worldwide, and relia=
ble transactional email is the backbone of our product.=20

How has Postmark helped you?=20

Postmark literally saved our business overnight. Our previous email provide=
r =E2=80=94 a large, well-known competitor =E2=80=94 automatically disabled=
 our account without warning over a routine address change. Thousands of ou=
r users suddenly stopped receiving interview invitations, candidate notific=
ations, and password resets. For an applicant tracking system, that's a com=
plete service outage. We integrated Postmark and had emails flowing again t=
he same day. Since then, we've never had a single deliverability issue. Pos=
tmark gave us back the peace of mind that our most critical infrastructure =
just works.=20

How are you using Postmark on your projects today?=20

Postmark is the backbone of all transactional email at 100Hires. We send in=
terview scheduling notifications, candidate status updates, team collaborat=
ion alerts, password resets, and account confirmations =E2=80=94 all throug=
h Postmark. We've built a deep integration: we use Postmark's webhooks to t=
rack deliveries, bounces, opens, and spam complaints in real time. We have =
automated systems that detect inactive addresses flagged by Postmark and cl=
ean them from our database. We also run delivery monitoring that alerts us =
to any bounce or complaint patterns. It's not just "plug in and send" =E2=
=80=94 Postmark is deeply woven into our product's reliability layer.=20

What advice would you give other folks in your role about implementing and =
managing their email?=20

Two things. First, never rely on a single email provider for mission-critic=
al transactional email =E2=80=94 we learned this the hard way when our acco=
unt was disabled out of the blue. Always have a backup integration ready to=
 switch to. Second, choose a provider whose entire business is transactiona=
l email, not one where it's a side feature next to marketing campaigns. Pos=
tmark's focus on deliverability and their developer-friendly API made our e=
mergency migration possible in hours, not weeks. Also, invest in webhook in=
tegration from day one =E2=80=94 tracking bounces and complaints proactivel=
y saves you from finding out about delivery problems from angry users.=20

Built something cool with Postmark lately?
We'd love to feature you in our Customer Spotlight!=20

Tell us about it https://docs.google.com/forms/d/e/1FAIpQLSfLQTILbCoHcg-q92=
57BKomCQalxqfk6NbcCRITBLxA-6uLLg/viewform?usp=3Dsf_link =20

**Come see us at MicroConf in Portland!**  https://microconf.com/us-flagshi=
p   We're heading to MicroConf US https://microconf.com/us-flagship in Port=
land, Oregon, April 12=E2=80=9314. It's the original conference for bootstr=
apped and indie SaaS founders. It's an intimate gathering of around 250 peo=
ple who are building profitable businesses without the venture capital play=
book. If you're attending, come say hi. We'd love to chat about what you're=
 building and how your email is working for you.=20

**Our latest, greatest finds from around the web**  Claude Code's hidden fe=
atures, exposed=20

Claude Code's source code was accidentally leaked via an npm source map, an=
d someone built a site cataloging its hidden features. From unshipped featu=
re flags to secret slash commands and an "autoDream" memory consolidation s=
ystem. Fascinating peek under the hood of an AI coding tool. Explore the fi=
ndings https://www.ccleaks.com/=20

Paperclip: Hire AI Agents Like Employees (Live Demo)=20

A deep dive into how AI agents can be organized to work together: planning,=
 delegating, and coordinating like a team. Worth a watch if you're thinking=
 about where agentic workflows are headed. Watch on YouTube https://www.you=
tube.com/watch?v=3DC3-4llQYT8o=20

MicroGPT: Build a GPT from scratch=20

Andrej Karpathy distilled a complete GPT into ~200 lines of pure Python... =
no libraries, no frameworks. This interactive visual guide by James Tauber =
breaks it down step by step with diagrams and animations. The best way we'v=
e seen to understand how transformers actually work. Work through it https:=
//microgpt.jtauber.com/=20

**Meme of the month**  https://x.com/TontonJars/status/2038927815588917597 =
=20

Newsletter complete. See you next month!=20

Keep building amazing things,=20

The Postmark Team=20

P.S. Want to share your project? If you've built something with Postmark th=
at solves a real problem for real people, we want to feature you. Tell us a=
bout it https://docs.google.com/forms/d/e/1FAIpQLSfLQTILbCoHcg-q9257BKomCQa=
lxqfk6NbcCRITBLxA-6uLLg/viewform?usp=3Dsf_link or just reply to this email.=
=20

What did you think of this email?=20

=E2=9C=88=EF=B8=8F Not my thing https://postmarkapp.com/thank-you-for-votin=
g?utm_source=3Dactivehosted&utm_medium=3Demail&utm_campaign=3D2026_mar-news=
letter&utm_content=3Dnot-my-thing  Okay https://postmarkapp.com/thank-you-f=
or-voting?utm_source=3Dactivehosted&utm_medium=3Demail&utm_campaign=3D2026_=
mar-newsletter&utm_content=3Dokay =E2=9D=A4=EF=B8=8F Great! https://postmar=
kapp.com/thank-you-for-voting?utm_source=3Dactivehosted&utm_medium=3Demail&=
utm_campaign=3D2026_mar-newsletter&utm_content=3Dgreat=20

Read this online http://postmark.activehosted.com/p_v.php?c=3D233&m=3D719&s=
=3D0f9b2fe61ef15d4f254e54c26856b4f7&d=3D7541&v=3D2&l=3D3 - Unsubscribe http=
://postmark.activehosted.com/proc.php?c=3D233&m=3D719&s=3D0f9b2fe61ef15d4f2=
54e54c26856b4f7&d=3D7541&v=3D2&nl=3D3&act=3Dunsub
_________________

Sent to: jeffrey_brown@naturallights.biz

Unsubscribe:
http://postmark.activehosted.com/proc.php?c=3D233&m=3D719&s=3D0f9b2fe61ef15=
d4f254e54c26856b4f7&d=3D7541&v=3D2&nl=3D3&act=3Dunsub

Postmark, 1 North Dearborn St 5th floor, Chicago, IL 60602, United States
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<div style=3D"display: none !important; padding: 0; height: 1px; font-size:=
 1px; background-color: inherit !important; opacity: 0; color: transparent;=
 mso-line-height-rule: exactly; line-height:1px; mso-hide:all;">
Here's what happened at Postmark in March!=20
<div style=3D"display: none; max-height: 0px; overflow: hidden;">
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
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&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C&nbsp;=E2=80=8C=
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<div style=3D"display: none; font-size: 1px; color: #f4f4f4; line-height: 1=
px; max-height: 0px; max-width: 0px; opacity: 0; overflow: hidden;">
Bulk API is here, we migrated to KumoMTA, and a customer story about email =
saving the day overnight.
</div>
<div class=3D"email-container" style=3D"background-color: #f4f4f4;">

<table width=3D"100%" cellpadding=3D"0" cellspacing=3D"0" border=3D"0" styl=
e=3D"background-color: #ffde00;">
<tr>
<td align=3D"center" style=3D"padding: 0;">
<table width=3D"100%" cellpadding=3D"0" cellspacing=3D"0" border=3D"0">
<tr>
<td align=3D"center" style=3D"padding-left: 15px; padding-right: 15px;"><!-=
- Email Container -->
<table class=3D"wrapper" width=3D"600" cellpadding=3D"0" cellspacing=3D"0" =
border=3D"0" style=3D"width: 100%; max-width: 600px;">

<tr>
<td align=3D"center" style=3D"padding: 40px 20px 20px;"><a href=3D"https://=
postmark.lt.emlnk1.com/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElMkYlMkZw=
b3N0bWFya2FwcC5jb20=3D&sig=3Djeh4qFi8NnrJH4E1rFtvnMs4BDuTabyg5DgyREuGxPm&ia=
t=3D1775001773&a=3D%7C%7C477586617%7C%7C&account=3Dpostmark%2Eactivehosted%=
2Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe6=
1ef15d4f254e54c26856b4f7&i=3D233A719A3A1592&d=3D7541&v=3D2"> <img src=3D"ht=
tps://content.app-us1.com/MnbAp/2022/08/30/4f14024d-dd57-4b66-a606-bda1d1f9=
d21f.png" alt=3D"Postmark" width=3D"274" style=3D"display: block; width: 27=
4px; max-width: 274px;"> </a></td>
</tr>
<tr>
<td align=3D"center" style=3D"padding: 10px 0;"> 
<table class=3D"content-block" width=3D"600" cellpadding=3D"0" cellspacing=
=3D"0" border=3D"0" style=3D"width: 100%; max-width: 600px; background-colo=
r: #ffffff; border-radius: 10px; border-collapse: collapse; mso-table-lspac=
e: 0pt; mso-table-rspace: 0pt;">

<tr>
<td style=3D"padding: 30px; border-radius: 10px;">
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">Hey t=
here =F0=9F=91=8B,</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 0px 0;">March =
was a big month. The Bulk API is now available, we completed a major infras=
tructure migration under the hood, and we're heading to Portland next month=
 for MicroConf. Plus, a customer story about how Postmark saved a business =
overnight. Let's get into it.</p></td>
</tr> 
</table></td>
</tr>
<tr>
<td align=3D"center" style=3D"padding: 10px 0;"> 
<table class=3D"content-block" width=3D"600" cellpadding=3D"0" cellspacing=
=3D"0" border=3D"0" style=3D"width: 100%; max-width: 600px; background-colo=
r: #ffffff; border-radius: 10px; border-collapse: collapse; mso-table-lspac=
e: 0pt; mso-table-rspace: 0pt;">

<tr>
<td style=3D"padding: 30px; border-radius: 10px;">
<h2 style=3D"font-family: Roboto, Arial, sans-serif; font-size: 24px; font-=
weight: bold; color: #007BC8; margin: 0 0 16px 0;">Shipped</h2><a href=3D"h=
ttps://postmark.lt.emlnk1.com/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElM=
kYlMkZwb3N0bWFya2FwcC5jb20lMkZidWxrLWFwaQ=3D=3D&sig=3DBAMJH6zyFJQA3UrvHNZVw=
idHXoaJB4f4yfYKvzZdYLQ7&iat=3D1775001773&a=3D%7C%7C477586617%7C%7C&account=
=3Dpostmark%2Eactivehosted%2Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEE=
KId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c26856b4f7&i=3D233A719A3A1593&d=3D=
7541&v=3D2"> <img src=3D"https://content.app-us1.com/MnbAp/2026/03/05/bb70f=
397-fc13-4795-a1e3-5fa68eddfde3.gif" alt=3D"Bulk API" width=3D"540" style=
=3D"display: block; width: 100%; max-width: 540px; margin: 0 0 20px 0;"> </=
a>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 16px 0;">Bulk API is now available</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">As we=
 mentioned earlier this month, the Bulk API is here. Define your message co=
ntent once, pass a list of recipients, and Postmark compiles and delivers t=
he individual messages on our end. One API call, thousands of emails, and d=
ramatically smaller payloads. We'll even handle send-speed optimization so =
your messages land in the inbox.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">It's =
available to all Postmark customers! Just <a href=3D"https://postmark.lt.em=
lnk1.com/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElMkYlMkZwb3N0bWFya2FwcC=
5jb20lMkZjb250YWN0&sig=3D4DVaF1WcvutQ4jFCAwWfne3gxRtwDV2B4jmYsLjh6FKj&iat=
=3D1775001773&a=3D%7C%7C477586617%7C%7C&account=3Dpostmark%2Eactivehosted%2=
Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61=
ef15d4f254e54c26856b4f7&i=3D233A719A3A1594&d=3D7541&v=3D2" style=3D"color: =
#0066cc;">contact our support team</a> to get it enabled for your account, =
then check out the <a href=3D"https://postmark.lt.emlnk1.com/Prod/link-trac=
ker?redirectUrl=3DaHR0cHMlM0ElMkYlMkZwb3N0bWFya2FwcC5jb20lMkZkZXZlbG9wZXIlM=
kZhcGklMkZidWxrLWVtYWls&sig=3DBqgKBxqkds7dBhjPB3mfnjozPJH894Fyih9v9EpgpggF&=
iat=3D1775001773&a=3D%7C%7C477586617%7C%7C&account=3Dpostmark%2Eactivehoste=
d%2Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2f=
e61ef15d4f254e54c26856b4f7&i=3D233A719A3A1595&d=3D7541&v=3D2" style=3D"colo=
r: #0066cc;">API documentation</a> to get started.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">Alrea=
dy using it? We'd love your feedback. <a href=3D"https://postmark.lt.emlnk1=
.com/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElMkYlMkZkb2NzLmdvb2dsZS5jb2=
0lMkZmb3JtcyUyRmQlMkZlJTJGMUZBSXBRTFNkR3hQc2JGVXZqOXZkNDFFVjFmN0JEUDBNOTNqa=
2ltR1FiVUEtekpsNjREbWVuNnclMkZ2aWV3Zm9ybSUzRnVzcCUzRGhlYWRlcg=3D=3D&sig=3DC=
JG4DhYtJrF8oghnR3KfnWGPEZw6eqbF2yf7QuvKdREy&iat=3D1775001773&a=3D%7C%7C4775=
86617%7C%7C&account=3Dpostmark%2Eactivehosted%2Ecom&email=3DalhxhPLM8Zf5hiU=
JBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c26856b4f7&i=3D=
233A719A3A1596&d=3D7541&v=3D2" style=3D"color: #0066cc;">Share your thought=
s here</a>.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;"><a hr=
ef=3D"https://postmark.lt.emlnk1.com/Prod/link-tracker?redirectUrl=3DaHR0cH=
MlM0ElMkYlMkZwb3N0bWFya2FwcC5jb20lMkZidWxrLWFwaQ=3D=3D&sig=3DBAMJH6zyFJQA3U=
rvHNZVwidHXoaJB4f4yfYKvzZdYLQ7&iat=3D1775001773&a=3D%7C%7C477586617%7C%7C&a=
ccount=3Dpostmark%2Eactivehosted%2Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3g=
xwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c26856b4f7&i=3D233A719A3A159=
3&d=3D7541&v=3D2" style=3D"color: #0066cc;">Learn more about the Bulk API</=
a></p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
20px 0 16px 0;">We migrated our email infrastructure to KumoMTA</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">We co=
mpleted a migration from our previous MTA to KumoMTA, a modern open-source =
mail transfer agent. The result? Faster queue processing, improved delivery=
 performance across major inbox providers like Gmail, Yahoo, Microsoft, and=
 Apple, and a foundation that gives us more flexibility to keep improving t=
hings.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;"><a hr=
ef=3D"https://postmark.lt.emlnk1.com/Prod/link-tracker?redirectUrl=3DaHR0cH=
MlM0ElMkYlMkZwb3N0bWFya2FwcC5jb20lMkZibG9nJTJGd2UtbWlncmF0ZWQtb3VyLWVtYWlsL=
WluZnJhc3RydWN0dXJlLXRvLWt1bW9tdGEtaGVyZXMtd2h5LWl0LW1hdHRlcnMtZm9yLXlvdQ=
=3D=3D&sig=3DG5LxdRerye3Jtsw4rfbCvgtvXN5mX8T15z1PEnkyC5U6&iat=3D1775001773&=
a=3D%7C%7C477586617%7C%7C&account=3Dpostmark%2Eactivehosted%2Ecom&email=3Da=
lhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c=
26856b4f7&i=3D233A719A3A1597&d=3D7541&v=3D2" style=3D"color: #0066cc;">Read=
 the full story on our blog</a></p></td>
</tr> 
</table></td>
</tr>
<tr>
<td align=3D"center" style=3D"padding: 10px 0;"> 
<table class=3D"content-block" width=3D"600" cellpadding=3D"0" cellspacing=
=3D"0" border=3D"0" style=3D"width: 100%; max-width: 600px; background-colo=
r: #ffffff; border-radius: 10px; border-collapse: collapse; mso-table-lspac=
e: 0pt; mso-table-rspace: 0pt;">

<tr>
<td style=3D"padding: 30px; border-radius: 10px;">
<h2 style=3D"font-family: Roboto, Arial, sans-serif; font-size: 24px; font-=
weight: bold; color: #007BC8; margin: 0 0 16px 0;">Customer spotlight</h2><=
a href=3D"https://postmark.lt.emlnk1.com/Prod/link-tracker?redirectUrl=3DaH=
R0cHMlM0ElMkYlMkYxMDBoaXJlcy5jb20lMkY=3D&sig=3DDUzszN8et6vTYBAwCbsJ3R4VCiUA=
9VTxTH599CUWvXxN&iat=3D1775001773&a=3D%7C%7C477586617%7C%7C&account=3Dpostm=
ark%2Eactivehosted%2Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%=
2BU%3D&s=3D0f9b2fe61ef15d4f254e54c26856b4f7&i=3D233A719A3A1598&d=3D7541&v=
=3D2"> <img src=3D"https://content.app-us1.com/MnbAp/2026/03/31/10ef5158-eb=
c2-44eb-9856-335ec050bd92.png" alt=3D"Customer Spotlight - Alex Kravets, 10=
0Hires" width=3D"540" style=3D"display: block; width: 100%; max-width: 540p=
x; margin: 0 0 20px 0;"> </a>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 20px 0;">This =
month we're featuring Alex Kravets, CEO of <a href=3D"https://postmark.lt.e=
mlnk1.com/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElMkYlMkYxMDBoaXJlcy5jb=
20lMkY=3D&sig=3DDUzszN8et6vTYBAwCbsJ3R4VCiUA9VTxTH599CUWvXxN&iat=3D17750017=
73&a=3D%7C%7C477586617%7C%7C&account=3Dpostmark%2Eactivehosted%2Ecom&email=
=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254=
e54c26856b4f7&i=3D233A719A3A1598&d=3D7541&v=3D2" style=3D"color: #0066cc;">=
100Hires</a>, an applicant tracking system featured by Forbes as the best A=
TS for SMBs and startups. When their previous email provider shut them down=
 overnight, Postmark got them back up and running the same day. Here's his =
story.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 8px 0;">How would you describe yourself in one sentence?</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">CEO o=
f 100Hires, an applicant tracking system featured by Forbes as the best ATS=
 for SMBs and startups</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 8px 0;">Can you tell us a little bit about your experience and the work=
 you do?</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">I'm t=
he founder and CEO of 100Hires, an ATS (Applicant Tracking System) that hel=
ps recruiting teams manage candidates, schedule interviews, and collaborate=
 on hiring decisions. We serve thousands of teams worldwide, and reliable t=
ransactional email is the backbone of our product.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 8px 0;">How has Postmark helped you?</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">Postm=
ark literally saved our business overnight. Our previous email provider =E2=
=80=94 a large, well-known competitor =E2=80=94 automatically disabled our =
account without warning over a routine address change. Thousands of our use=
rs suddenly stopped receiving interview invitations, candidate notification=
s, and password resets. For an applicant tracking system, that's a complete=
 service outage. We integrated Postmark and had emails flowing again the sa=
me day. Since then, we've never had a single deliverability issue. Postmark=
 gave us back the peace of mind that our most critical infrastructure just =
works.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 8px 0;">How are you using Postmark on your projects today?</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">Postm=
ark is the backbone of all transactional email at 100Hires. We send intervi=
ew scheduling notifications, candidate status updates, team collaboration a=
lerts, password resets, and account confirmations =E2=80=94 all through Pos=
tmark. We've built a deep integration: we use Postmark's webhooks to track =
deliveries, bounces, opens, and spam complaints in real time. We have autom=
ated systems that detect inactive addresses flagged by Postmark and clean t=
hem from our database. We also run delivery monitoring that alerts us to an=
y bounce or complaint patterns. It's not just "plug in and send" =E2=80=94 =
Postmark is deeply woven into our product's reliability layer.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 8px 0;">What advice would you give other folks in your role about imple=
menting and managing their email?</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 20px 0;">Two t=
hings. First, never rely on a single email provider for mission-critical tr=
ansactional email =E2=80=94 we learned this the hard way when our account w=
as disabled out of the blue. Always have a backup integration ready to swit=
ch to. Second, choose a provider whose entire business is transactional ema=
il, not one where it's a side feature next to marketing campaigns. Postmark=
's focus on deliverability and their developer-friendly API made our emerge=
ncy migration possible in hours, not weeks. Also, invest in webhook integra=
tion from day one =E2=80=94 tracking bounces and complaints proactively sav=
es you from finding out about delivery problems from angry users.</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; text-align: center; margin=
: 20px 0 10px 0;">Built something cool with Postmark lately?<br>
We'd love to feature you in our Customer Spotlight!</p>
<div align=3D"center" style=3D"margin: 20px 0;">
  <a href=3D"https://postmark.lt.emlnk1.c=
om/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElMkYlMkZkb2NzLmdvb2dsZS5jb20l=
MkZmb3JtcyUyRmQlMkZlJTJGMUZBSXBRTFNmTFFUSUxiQ29IY2ctcTkyNTdCS29tQ1FhbHhxZms=
2TmJjQ1JJVEJMeEEtNnVMTGclMkZ2aWV3Zm9ybSUzRnVzcCUzRHNmX2xpbms=3D&sig=3DAWHEr=
YRskxG2q6a5zwGcgRLEs5whVnaG6cEHY7Dt1e9w&iat=3D1775001773&a=3D%7C%7C47758661=
7%7C%7C&account=3Dpostmark%2Eactivehosted%2Ecom&email=3DalhxhPLM8Zf5hiUJBm9=
fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c26856b4f7&i=3D233A=
719A3A1599&d=3D7541&v=3D2" style=3D"background-color:#007BC8; border-radius=
:4px; color:#FFFFFF; display:inline-block; font-family: Roboto, Arial, sans=
-serif; font-size:16px; font-weight:bold; line-height:24px; padding:12px 24=
px; text-decoration:none; ">Tell us about it</a> 
</div></td>
</tr> 
</table></td>
</tr>
<tr>
<td align=3D"center" style=3D"padding: 10px 0;"> 
<table class=3D"content-block" width=3D"600" cellpadding=3D"0" cellspacing=
=3D"0" border=3D"0" style=3D"width: 100%; max-width: 600px; background-colo=
r: #ffffff; border-radius: 10px; border-collapse: collapse; mso-table-lspac=
e: 0pt; mso-table-rspace: 0pt;">

<tr>
<td style=3D"padding: 30px; border-radius: 10px;">
<h2 style=3D"font-family: Roboto, Arial, sans-serif; font-size: 24px; font-=
weight: bold; color: #007BC8; margin: 0 0 16px 0;">Come see us at MicroConf=
 in Portland!</h2><a href=3D"https://postmark.lt.emlnk1.com/Prod/link-track=
er?redirectUrl=3DaHR0cHMlM0ElMkYlMkZtaWNyb2NvbmYuY29tJTJGdXMtZmxhZ3NoaXA=3D=
&sig=3D44vEkPzPkLZ4mefqYvHexAp4MxAzdBPmmnHtkTN647yX&iat=3D1775001773&a=3D%7=
C%7C477586617%7C%7C&account=3Dpostmark%2Eactivehosted%2Ecom&email=3DalhxhPL=
M8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c26856b=
4f7&i=3D233A719A3A1600&d=3D7541&v=3D2"> <img src=3D"https://content.app-us1=
.com/MnbAp/2026/03/31/b99a414b-87ec-479c-aa86-5b4c1d8e424a.png" alt=3D"Micr=
oConf Portland" width=3D"540" style=3D"display: block; width: 100%; max-wid=
th: 540px; margin: 0 0 20px 0;"> </a>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">We're=
 heading to <a href=3D"https://postmark.lt.emlnk1.com/Prod/link-tracker?red=
irectUrl=3DaHR0cHMlM0ElMkYlMkZtaWNyb2NvbmYuY29tJTJGdXMtZmxhZ3NoaXA=3D&sig=
=3D44vEkPzPkLZ4mefqYvHexAp4MxAzdBPmmnHtkTN647yX&iat=3D1775001773&a=3D%7C%7C=
477586617%7C%7C&account=3Dpostmark%2Eactivehosted%2Ecom&email=3DalhxhPLM8Zf=
5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c26856b4f7&=
i=3D233A719A3A1600&d=3D7541&v=3D2" style=3D"color: #0066cc;">MicroConf US</=
a> in Portland, Oregon, April 12=E2=80=9314. It's the original conference f=
or bootstrapped and indie SaaS founders. It's an intimate gathering of arou=
nd 250 people who are building profitable businesses without the venture ca=
pital playbook. If you're attending, come say hi. We'd love to chat about w=
hat you're building and how your email is working for you.</p></td>
</tr> 
</table></td>
</tr>
<tr>
<td align=3D"center" style=3D"padding: 10px 0;"> 
<table class=3D"content-block" width=3D"600" cellpadding=3D"0" cellspacing=
=3D"0" border=3D"0" style=3D"width: 100%; max-width: 600px; background-colo=
r: #ffffff; border-radius: 10px; border-collapse: collapse; mso-table-lspac=
e: 0pt; mso-table-rspace: 0pt;">

<tr>
<td style=3D"padding: 30px; border-radius: 10px;">
<h2 style=3D"font-family: Roboto, Arial, sans-serif; font-size: 24px; font-=
weight: bold; color: #007BC8; margin: 0 0 16px 0;">Our latest, greatest fin=
ds from around the web</h2>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 8px 0;">Claude Code's hidden features, exposed</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">Claud=
e Code's source code was accidentally leaked via an npm source map, and som=
eone built a site cataloging its hidden features. From unshipped feature fl=
ags to secret slash commands and an "autoDream" memory consolidation system=
. Fascinating peek under the hood of an AI coding tool. <a href=3D"https://=
postmark.lt.emlnk1.com/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElMkYlMkZ3=
d3cuY2NsZWFrcy5jb20lMkY=3D&sig=3DFvNBsxyUQEc4HzuHmqVFdvpsxW62XtvYsiTqYgSdB3=
pm&iat=3D1775001773&a=3D%7C%7C477586617%7C%7C&account=3Dpostmark%2Eactiveho=
sted%2Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9=
b2fe61ef15d4f254e54c26856b4f7&i=3D233A719A3A1601&d=3D7541&v=3D2" style=3D"c=
olor: #0066cc;">Explore the findings</a></p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 8px 0;">Paperclip: Hire AI Agents Like Employees (Live Demo)</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">A dee=
p dive into how AI agents can be organized to work together: planning, dele=
gating, and coordinating like a team. Worth a watch if you're thinking abou=
t where agentic workflows are headed. <a href=3D"https://postmark.lt.emlnk1=
.com/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElMkYlMkZ3d3cueW91dHViZS5jb2=
0lMkZ3YXRjaCUzRnYlM0RDMy00bGxRWVQ4bw=3D=3D&sig=3D8RwYkguFvVWUrXdNeFBkBDVnCz=
yrc1eEsEVM1WJ9j9tt&iat=3D1775001773&a=3D%7C%7C477586617%7C%7C&account=3Dpos=
tmark%2Eactivehosted%2Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8li=
n%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c26856b4f7&i=3D233A719A3A1602&d=3D7541&v=
=3D2" style=3D"color: #0066cc;">Watch on YouTube</a></p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; margin: =
0 0 8px 0;">MicroGPT: Build a GPT from scratch</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; margin: 0 0 16px 0;">Andre=
j Karpathy distilled a complete GPT into ~200 lines of pure Python... no li=
braries, no frameworks. This interactive visual guide by James Tauber break=
s it down step by step with diagrams and animations. The best way we've see=
n to understand how transformers actually work. <a href=3D"https://postmark=
.lt.emlnk1.com/Prod/link-tracker?redirectUrl=3DaHR0cHMlM0ElMkYlMkZtaWNyb2dw=
dC5qdGF1YmVyLmNvbSUyRg=3D=3D&sig=3D146RgiE6qJ4qpifthHoL1HwXGDgcUQGJ7nY8LQ3Q=
jbtQ&iat=3D1775001773&a=3D%7C%7C477586617%7C%7C&account=3Dpostmark%2Eactive=
hosted%2Ecom&email=3DalhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0=
f9b2fe61ef15d4f254e54c26856b4f7&i=3D233A719A3A1603&d=3D7541&v=3D2" style=3D=
"color: #0066cc;">Work through it</a></p></td>
</tr> 
</table></td>
</tr>
<tr>
<td align=3D"center" style=3D"padding: 10px 0;"> 
<table class=3D"content-block" width=3D"600" cellpadding=3D"0" cellspacing=
=3D"0" border=3D"0" style=3D"width: 100%; max-width: 600px; background-colo=
r: #ffffff; border-radius: 10px; border-collapse: collapse; mso-table-lspac=
e: 0pt; mso-table-rspace: 0pt;">

<tr>
<td style=3D"padding: 30px; border-radius: 10px;">
<h2 style=3D"font-family: Roboto, Arial, sans-serif; font-size: 24px; font-=
weight: bold; color: #007BC8; margin: 0 0 16px 0;">Meme of the month</h2><a=
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lhxhPLM8Zf5hiUJBm9fTJuAkM3gxwVVEEKId8lin%2BU%3D&s=3D0f9b2fe61ef15d4f254e54c=
26856b4f7&i=3D233A719A3A1604&d=3D7541&v=3D2"> <img src=3D"https://content.a=
pp-us1.com/MnbAp/2026/03/31/3fc53152-7bfd-4d9b-a8c0-f7a4dde71353.png" alt=
=3D"Meme of the month" width=3D"540" style=3D"display: block; width: 100%; =
max-width: 540px; margin: 20px 0;"> </a></td>
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<td align=3D"center" style=3D"padding: 10px 0;"> 
<table class=3D"content-block" width=3D"600" cellpadding=3D"0" cellspacing=
=3D"0" border=3D"0" style=3D"width: 100%; max-width: 600px; background-colo=
r: #ffffff; border-radius: 10px; border-collapse: collapse; mso-table-lspac=
e: 0pt; mso-table-rspace: 0pt;">

<tr>
<td style=3D"padding: 30px; text-align: center;"><img src=3D"https://conten=
t.app-us1.com/MnbAp/2025/07/23/e0b9ff1c-c9c1-4f55-b539-b6ea226e1417.png" al=
t=3D"" width=3D"540" style=3D"display: block; width: 100%; max-width: 540px=
; margin: 0 auto 20px auto;">
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 24px; font-s=
tyle: normal; font-weight: 700; line-height: 24px; color: #333333; text-ali=
gn: center; margin: 0 0 20px 0;">Newsletter complete. See you next month!</=
p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; text-align: center; margin=
: 0 0 20px 0;">Keep building amazing things, <br><br>
The Postmark Team</p>
<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-s=
tyle: normal; line-height: 24px; color: #333333; text-align: center; margin=
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or: #0066cc;">Tell us about it</a> or just reply to this email.</p></td>
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<p style=3D"font-family: Roboto, Arial, sans-serif; font-size: 16px; font-w=
eight: bold; color: #000; margin: 0 0 16px 0;">What did you think of this e=
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HR0cHMlM0ElMkYlMkZwb3N0bWFya2FwcC5jb20lMkZ0aGFuay15b3UtZm9yLXZvdGluZyUzRnV0=
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Arial, sans-serif;">=E2=9C=88=EF=B8=8F Not my thing</a> <a href=3D"https://=
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00; padding: 8px 16px; margin: 0 8px; text-decoration: none; border-radius:=
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Okay</a> <a href=3D"https://postmark.lt.emlnk1.com/Prod/link-tracker?redire=
ctUrl=3DaHR0cHMlM0ElMkYlMkZwb3N0bWFya2FwcC5jb20lMkZ0aGFuay15b3UtZm9yLXZvdGl=
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ground-color: #FFDE00; color: #000000; padding: 8px 16px; margin: 0 8px; te=
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Sid Gifari From Gifari Industries - BD Cyber Security Team