Did someone turn on 'smtp fixup' or some other protocol inspection or similar on a Cisco router?
/sent from my pad On Aug 30, 2014, at 17:45, Ross Boylan <[email protected]> wrote: > There was some fiddling with the network around our exim 4.63 (old) > mailserver, and now I am unable to connect to send mail from > outside. I can connect from inside. The connection uses TLS to port > 25 and authentication. > > Evolution says "Failed to connect to SMTP server biostat.ucsf.edu in > secure mode: STARTTLS not supported". Thunderbird, from a different > location, has a similar problem. In contrast, this message was > sent via the same server from an inside client (a different exim > running on my machine inside the firewall). > > Connection to the imap server on the same machine has continued > uninterrupted for all locations. > > I can telnet (using telnet-ssh) to port 25 and get a response from > exim. So the problem is not that port 25 has simply been blocked. > > Can anyone suggest what might be going on, or what we might do to > diagnose this further? > > Thanks. > Ross Boylan > > P.S. The network fiddling was done by a different group; I don't know > any of the details. They are likely to be more responsive if we can > point to a particular thing they can tweak. > > -- > ## List details at https://lists.exim.org/mailman/listinfo/exim-users > ## Exim details at http://www.exim.org/ > ## Please use the Wiki with this list - http://wiki.exim.org/ -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
