Mailtutan is an SMTP server s written in Rust for test and development environments.

How do I build an SMTP server that receives emails?

Announcement: SMTP Server in Rust with DMARC, DANE, MTA-STS, Sieve, OTEL support

Various Ways of Sending Mail via SMTP

SMTP, OrangeWebsite and using your own computing resources

SMTP protocol basics from scratch in Go: receiving email from Gmail

Simple as in SMTP

Mnm – an open source project to replace email and SMTP

IMAP API – self hosted daemon to access IMAP and SMTP accounts via HTTP API

Setting up multiple IMAP and SMTP accounts in Gnus

Swaks - Swiss Army Knife for SMTP

Release cycle about SMTP stack

Client IP Address Disclosure in Smtp.gmail.com

Decentralised SMTP is for the greater good

chasquid: SMTP server with a focus on simplicity, security, and ease of operation

A tiny package that implements SMTP server quickly for Go projects

SMTP MTA Strict Transport Security (MTA-STS)

RFC 8461 - SMTP MTA Strict Transport Security (MTA-STS)

STARTTLS Everywhere: Lets Encrypt, but for SMTP - secure email transfer

chasquid — SMTP (email) server

chasquid - An SMTP (email) server written in Go

Free fake SMTP testing server – Ethereal.email

Show HN: A simple SMTP proxy that bridges legacy software to modern SMTP servers

CVE-2017-9801: Apache Commons Email SMTP header injection vulnerabilty

Split Tunnel SMTP Exploit Explained

Show HN: Fake SMTP server as a service

SMTP over XXE − how to send emails using Java's XML parser

POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange Gateway

Internet Draft: SMTP Strict Transport Security

Measuring SMTP STARTTLS Deployment Quality

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