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smtpd-starttls-proxy - A proxy implementing STARTTLS in front of SMTP servers

Software
skarnet.org

smtpd-starttls-proxy

What is it ?

smtpd-starttls-proxy is a package implementing STARTTLS for inetd-like mail servers that do not already support it.

It comes with a chainloading binary implementing server-side STARTTLS, as well as a full-featured modern replacement for qmail's qmail-remote SMTP client.


Installation

Requirements

  • A POSIX-compliant system with a standard C development environment
  • GNU make, version 3.81 or later
  • skalibs version 2.15.0.0 or later. It's a build-time requirement. It's also a run-time requirement if you link against the shared version of the skalibs library.
  • s6 version 2.15.0.0 or later. It's a build-time and run-time requirement.
  • s6-dns version 2.4.1.2 or later. It's a build-time requirement. It's also a run-time requirement if you link against the shared version of the s6-dns library.
  • s6-networking version 2.8.0.0 or later. It's a build-time and run-time requirement.

Licensing

smtpd-starttls-proxy is free software. It is available under the ISC license.

Download

Compilation

  • See the enclosed INSTALL file for installation details.

Upgrade notes

  • This page lists the differences to be aware of between the previous versions of smtpd-starttls-proxy and the current one.

Reference

Commands

Internal commands

Related resources

  • smtpd-starttls-proxy is discussed on the skaware mailing-list.