Mail Transfer Agents (MTAs) – SMTP servers.<\/p>\n\n\n\n
chasquid<\/strong> – SMTP (email) server with a focus on simplicity, security, and ease of operation. Apache-2.0 Go Mail Transfer Agents (MTAs) – SMTP servers. chasquid – SMTP (email) server with a focus on simplicity, security, and ease of operation. Apache-2.0 GoCourier MTA – Fast, scalable, enterprise mail\/groupware… <\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[2],"tags":[],"class_list":["post-35701","post","type-post","status-publish","format-standard","hentry","category-uncategorised"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/35701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=35701"}],"version-history":[{"count":1,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/35701\/revisions"}],"predecessor-version":[{"id":35703,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/35701\/revisions\/35703"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=35701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=35701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=35701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Courier MTA <\/strong>– Fast, scalable, enterprise mail\/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services. GPL-3.0 C
DragonFly<\/strong> – A small MTA for home and office use. Works on Linux and FreeBSD. BSD-3-Clause C
EmailRelay<\/strong> – A small and easy to configure SMTP and POP3 server for Windows and Linux. GPL-3.0 C++
Exim<\/strong> – Message transfer agent (MTA) developed at the University of Cambridge. GPL-3.0 C
Haraka<\/strong> – High-performance, pluginable SMTP server written in Javascript. MIT Nodejs
MailCatcher<\/strong> – Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development. MIT Ruby
Maildrop<\/strong> – Disposable email SMTP server, also useful for development. MIT Scala
MailHog<\/strong> – Small Golang executable which runs an SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development. MIT Go
OpenSMTPD<\/strong> – Secure SMTP server implementation from the OpenBSD project. ISC C
Postfix<\/strong> – Fast, easy to administer, and secure Sendmail replacement. IPL-1.0 C
Sendmail<\/strong> – Message transfer agent (MTA). Sendmail C
Slimta<\/strong> – Mail Transfer Library built on Python. MIT Python
Stalwart SMTP <\/strong>– Modern SMTP server designed with a focus on security, speed, and extensive configurability. AGPL-3.0 Rust
vSMTP<\/strong> – Next-gen MTA. Secured, Faster and Greener. GPL-3.0 Rust<\/p>\n","protected":false},"excerpt":{"rendered":"