Which is better postfix or Sendmail?

In comparison to other MTAs, Postfix emphasizes security. Postfix is much more secure than Sendmail, which has weak security architecture. Postfix is designed to overcome the vulnerabilities that are associated with Sendmail. Moreover, a good Postfix configuration secures sensitive data from spam, abuse, and leakage.

What is postfix and exim?

Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail. In March 2021 a study performed by E-Soft, Inc., approximately 32\% of the publicly reachable mail-servers on the Internet ran Postfix, making it the second most popular mail server behind Exim.

Who uses postfix?

Postfix is a great program that routes and delivers email to accounts that are external to the system. It is currently used by approximately 33\% of internet mail servers. In this article, I’ll explain how you can use Postfix to send mail using Gmail with two-factor authentication enabled.

What is difference between Sendmail and postfix?

Architecture: The most common difference between these two is architecture. Postfix has a modular architecture composed of many independent small executables. It provides multiple options, parameters, and features. In contrast, Sendmail has a monolithic design that uses a single process always running at the backend.

Do I need Postfix?

No. If you’re sending via a remote SMTP host, you don’t need a local mail server.

Is postfix secure?

A great option for an MTA software is the free and open-source Postfix that aims to be fast, easy to administer, and secure. Ensuring a secure Postfix server in any network requires great care in its configuration, but with the help of Let’s Encrypt and Dovecot, the whole process is practically plug-n-play.

Is Postfix secure?

How do I delete Postfix?

How to completely erase Postfix

1. remove does NOT delete the settings files in /etc.
2. Your apt purge command was missing the sudo so would not have been executed as you provided the command in your question.
3. sudo apt-get remove –purge postfix then check that /etc/postfix was deleted.

What is Postfix SMTP?

The Postfix SMTP server receives mail from the network and is exposed to the big bad world of junk email and viruses. This document introduces the built-in and external methods that control what SMTP mail Postfix will accept, what mistakes to avoid, and how to test your configuration.

How does postfix work?

Postfix consists of a small number of programs that interact with user processes (sendmail, postqueue, postsuper, and so on) and a larger number of programs that run in the background. The same is true for Postfix; it accepts messages from multiple sources and then passes the mail on to multiple destinations.