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July 2014

Updating mailman on Centos 5 due to DMARC

Recently, some major service providers (notably Yahoo, Comcast and AOL) decided to bounce email that did not conform to the DMARC standard. As a side effect, this broke many long-standing configurations for mailing lists. Full details on this can be read elsewhere: http://www.spamresource.com/2014/04/up-in-arms-about-yahoos-dmarc-policy.html http://wiki.list.org/display/DEV/DMARC If you’re like me, you have a CentOS 5 machine running […]