Sendmail Alternatives

Sendmail is described as 'General purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet' and is a Mail Server in the online services category. There are more than 25 alternatives to Sendmail for a variety of platforms, including Linux, Self-Hosted, Windows, BSD and Mac apps. The best Sendmail alternative is Postfix, which is both free and Open Source. Other great apps like Sendmail are Zimbra Collaboration Suite, Mail-in-a-box, Microsoft Exchange and Zentyal.

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Sendmail alternatives are mainly Mail Servers but may also be WebMail Providers or Email Clients. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Sendmail.

Sendmail

Mail Server
Free • Open Source

Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.

More about Sendmail

Sendmail alternatives page was last updated May 14, 2024

esmtp
esmtp is a user configurable relay-only Mail Transfer Agent (MTA) with a sendmail compatible syntax. It's based on libESMTP supporting the AUTH (including the CRAM-MD5 and NTLM SASL mechanisms) and the StartTLS SMTP extensions.
7 esmtp alternatives
License model
- Free • Open Source
Platforms
- Linux
- BSD
Discontinued
The last update was in 2009.

esmtp VS Sendmail
Is esmtp a good alternative to Sendmail?

EmailSuccess
EmailSuccess, an advanced SMTP Server (MTA) built from the ground up to handle the most critical reliability, performance, security, and deliverability requirements.
21 EmailSuccess alternatives
License model
- Paid • Proprietary
Application type
- Mail Server
Platforms
- Linux
- Java
+1
EmailSuccess Features
1. Email deliverability
2. On-premises software
3. Management Console
4. Encrypted Email
5. SMTP Support
Show all NaN EmailSuccess features ▾
EmailSuccess VS Sendmail
Is EmailSuccess a good alternative to Sendmail?

Qmail
QMail MTA.
11 Qmail alternatives
License model
- Free • Proprietary
Application type
- Mail Server
Platforms
- Linux
- BSD
- FreeBSD
- Debian
- Ubuntu
- Slackware
Qmail Features
1. No Tracking
2. Privacy focused
3. Support for Aliases
4. Ad-free
5. Real time collaboration
Show all NaN Qmail features ▾
Qmail VS Sendmail
Is Qmail a good alternative to Sendmail?