The complete libspf2 source code may be downloaded here:
Check the code out from github:
A simple list of patches and plugins became too complex to read, thus we have moved to a new format. This is really an extract from the status page.
| MTA (alphabetical) | Plugin | Patch |
| courier | ||
| exchange |
SPF Filter
An SPF filter for Exchange stable |
(n/a) |
| exim |
SPF ACL
Exim configuration fragment for libspf2 stable |
exim-libspf2+libsrs2
Combined libspf2 and libsrs2 patch for exim testing |
| hermes |
spf
included by default |
(n/a) |
| postfix |
policyd
(version 1.0.1)
Postfix policy daemon for libspf2 stable |
postfix-libspf2
Postfix patch for libspf2 stable README Mandrake patch Mandrake RPMs |
| sendmail |
spfmilter
(version 1.0.8)
Sendmail milter for libspf2 stable Jef Poskanzer's spfmilter site An alternative SPF milter |
sendmail-libspf2
Sendmail patch for libspf2 testing Koen Martens' sendmail page |
| zmailer |
(n/a) |
zmailer info
Information for zmailer users |
Distribution packages are contributed, and may be out of date. If in doubt, use the source. If you can contribute a distribution package, please mail spf [ta] anarres.org.
Several other people have written SPF implementations. This is by no means a comprehensive list, and the libspf2 developers are not responsible for these projects. However, they may help to fill the gaps in a growing portfolio of implementations.