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MTMilan Timoticmilantimotic.hashnode.dev1d ago · 17 min read

My New Domain Was Labeled a Scam Before I Even Used It

I recently registered a domain for personal use. There was no online store, no payment form, no advertising, no downloads, and no attempt to collect anyone’s information. There was barely even a websi

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Lliladeveloper-advocate.hashnode.dev2d ago · 6 min read

How to Send Email From Your App (Without SMTP Hell)

Almost every app eventually needs to send email: password resets, welcome messages, receipts, “someone mentioned you.” The tempting path is Nodemailer plus a random SMTP host on your VPS. That path fa

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GLGabe LGmailkite.hashnode.dev4d ago · 18 min read

23 open source email servers for Linux, sorted by the job each one does

Most "best open source mail server" lists put a full-stack Docker bundle and a single SMTP daemon in the same ranked table, as if you'd choose between them. You wouldn't. This is 23 Linux mail project

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PMPetr Michalmxfend.hashnode.dev4d ago · 4 min read

HELO vs EHLO: Why Your SMTP Greeting Can Send Email to Spam

Your SPF, DKIM, and DMARC records may all look correct while your mail server still introduces itself as: EHLO localhost or: EHLO server1.internal That greeting happens before the message body is tr

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GLGabe LGmailkite.hashnode.dev5d ago · 3 min read

MailKite Server: our SMTP + IMAP edges are now open source

TL;DR: the mail-server half of MailKite is now open source: github.com/mailkite/server — the Haraka MX edge, the SMTP submission edge, the IMAP server, a zero-dependency SQLite backend, and a web cons

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BBlueticksblueticks.hashnode.devJul 30 · 5 min read

The two tick model came from WhatsApp. Email only borrowed half of it

The two tick model came from WhatsApp. Email only borrowed half of it, and that half is the honest half Everyone who has used WhatsApp reads the ticks without thinking. One grey tick, it left your pho

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BBlueticksblueticks.hashnode.devJul 30 · 6 min read

What Gmail's built-in read receipts actually give you, and what they do not

What Gmail's built-in read receipts actually give you, and what they do not If you have ever searched for how to tell whether someone read your email, you have probably landed on a page that answers a

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TLTizer Luotizer.hashnode.devJul 30 · 9 min read

Giving every AI agent its own mailbox: the architecture behind a self-hosted MCP mail server

My agents keep needing to read email. Signup codes, verification links, password resets: every automated workflow that touches a third-party service eventually hits an inbox. There are hosted APIs for

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Eemnaasemnaas.hashnode.devJul 29 · 10 min read

Tmail Protocol Analysis: How NFT Email Identity, Wallet Encryption, Decentralized Storage, and the Agentic Skills Layer Work Together

Email infrastructure has not changed at the architecture level in thirty years. The addressing model is DNS-based and company-controlled. The authentication model is credential-based and server-stored

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KTKOSU TIMIEBI NICHOLAStimiebi.hashnode.devJul 28 · 10 min read

How I Replaced GmailApp with Resend in Google Apps Script -(And Why You Should Too)

If you've ever built a Google Form with automated email responses using Google Apps Script, you've probably run into the same frustrating problem I did. The emails send successfully, but they come fro

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Trending tags this week

My New Domain Was Labeled a Scam Before I Even Used It

How to Send Email From Your App (Without SMTP Hell)

23 open source email servers for Linux, sorted by the job each one does

HELO vs EHLO: Why Your SMTP Greeting Can Send Email to Spam

MailKite Server: our SMTP + IMAP edges are now open source

The two tick model came from WhatsApp. Email only borrowed half of it

What Gmail's built-in read receipts actually give you, and what they do not

Giving every AI agent its own mailbox: the architecture behind a self-hosted MCP mail server

Tmail Protocol Analysis: How NFT Email Identity, Wallet Encryption, Decentralized Storage, and the Agentic Skills Layer Work Together

How I Replaced GmailApp with Resend in Google Apps Script -(And Why You Should Too)