OpenSMTPD
OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with... subtitle
- Open Source
OpenSMTPD Alternatives [Page 2]
The best OpenSMTPD alternatives based on verified products, community votes, reviews and other factors.
Latest update:
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/qmail-alternatives
qmail is the name of an advanced level of mail transfer agent for the UNIX based operating systems.
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/haraka-alternatives
Open source SMTP server written in Node.js
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The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.
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/courier-mta-alternatives
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open...
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/mailhog-alternatives
MailHog is an email testing tool inspired by MailCatcher, but easier to install.
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/dovecot-alternatives
Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with...
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/mutt-alternatives
Mutt is a small but very powerful text-based mail client for Unix operating systems.
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/nikamail-alternatives
NikaMail is a portable, extendable, zero-config email server.
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/inbucket-alternatives
Inbucket is an email testing application; it will accept messages for any email address and make...
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/roundcube-alternatives
Web-based IMAP email client
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/bulkmta-alternatives
BulkMTA is Commercial Mail Server Similar to PowerMTA.
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/smtp-alternatives
SMTP provides scalable affordable email infrastructure for all your sending needs.
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/hmail-server-alternatives
hMailServer is a free e-mail server for Microsoft Windows.
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/blat-alternatives
Blat is a small, efficent SMTP command line mailer for Windows.
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