Thanks for debugging this, Steven, and for the workaround! --matt
On Wed, Sep 17, 2014 at 4:47 AM, Steven Hartland <[email protected]> wrote: > After much debugging I can finally send mails to the list :) > > The problem is that the open-zfs.org mail server > (AwesomeProxy?) has a broken implementation of ESMTP's > pipelining, specifically if the end of DATA ".<CRLF>" is > sent together with the "QUIT<CRLF>" (valid for pipelining) > the send will timeout and never succeed. > > As a workaround I've told our postfix server to force > disable pipelining for mail.open-zfs.net even though it > advertises it supports it. > > For reference this involves adding the following to > /usr/local/etc/postfix/main.cf: > smtp_discard_ehlo_keyword_address_maps = > cidr:/usr/local/etc/postfix/discard_ehlo_keywords > > /usr/local/etc/postfix/discard_ehlo_keywords contents: > # Openzfs mail server has broken pipelining > 199.101.102.98/32 silent-discard, pipelining > > cc'ed developer@ as postmaster@ often goes unread ;-) > > Hope this helps. > > Regards > Steve > _______________________________________________ > developer mailing list > [email protected] > http://lists.open-zfs.org/mailman/listinfo/developer >
_______________________________________________ developer mailing list [email protected] http://lists.open-zfs.org/mailman/listinfo/developer
