Sender Policy Framework

SRS/Implementations

There are several SRS libraries available. Some mail servers have extensions or unofficial patches available.

The SPF project does not endorse any of the software listed below unless noted otherwise. We have not checked all of the software for fitness for any purpose.

Please report SRS-supporting software to the srs-discuss mailing list.

Libraries

Name	Type	Author(s)	Contact
`Mail::SRS`	Perl	Shevek	(see CPAN)
libsrs2	C	Shevek	(see website)
libsrs_alt	C	Wilton	(see website)
pysrs	Python	Gathman	(see website)

Extensions and Patches for Mail Servers

Name	Mail Server	Author(s)	Contact
couriersrs	Courier	Matthias Wimmer	Matthias Wimmer

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Sender Policy Framework

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