Projects / Python SRS Library

Python SRS Library

Python SRS Library is a Python translation of the Perl reference implementation for SRS (Sender Rewriting Scheme) with easy to install packaging and built-in sendmail integration. SRS is needed when forwarding mail for SMTP authorization schemes that publish which IPs are authorized to send mail from a domain (for example SPF - Sender Policy Framework). It can also detect forged SMTP bounces by signing the return path for outgoing mail.

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Recent releases

  •  31 Jul 2006 21:16

    Release Notes: This release supports signing mode.

    •  31 Aug 2004 07:07

      Release Notes: Sendmail socketmap support.

      •  06 Jul 2004 20:40

        Release Notes: This release uses the same hash algorithm as the SRS reference implementation. This lets various implementations of the standard SRS format be interchangeable.

        •  26 Mar 2004 04:45

          Release Notes: SRS_DOMAIN is now passed from sendmail.mc to envfrom2srs.py for single source configuration. The SRS rewriting rule was put at the end of EnvFromSMTP in pysrs.m4.

          •  24 Mar 2004 06:22

            No changes have been submitted for this release.

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