Postfix is a messaging server. Postfix was originally created in 1997. It was developed by Wietse Venema and several other contributors. Postfix was first known as VMailer and then as IBM Secure Mailer.
More and more frequently used to replace Sendmail in open source email infrastructures, Postfix is a flexible, scalable SMTP server. It can query a large number of external sources of information (databases, LDAP directories, etc.). Its scope is relatively broad and perfectly suited to professional use. In particular, Postfix can prevent spam (based on a public anti-spam list, for example).
Postfix is distributed under the IBM Public License.
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