On 2009-01-12, Gary Johnson <garyj...@spocom.com> wrote: > I've been moving my mail list subscriptions from my work address to a > personal address and have encountered a problem with the delivery of > messages from the mutt-users and mutt-dev lists to my ISP: they are > consistently delayed by about 20 minutes. The messages from other lists > to my ISP do not experience this delay and the messages from all lists > including the mutt lists to my work address do not experience this > delay. There is something unique about the relationship between the > mutt list server and my ISP, but I don't know what it could be.
I got a reply from my ISP just after sending this to the list. They use greylisting (see http://en.wikipedia.org/wiki/Greylisting). I'm now working on getting the mutt list server and/or the mutt.org domain added to their whitelist. Sorry for the noise. Regards, Gary