If your network people think they can do a better job than your mail people, then give them the management of your mail servers, otherwise, tell them to disable cisco fixup (or whatever it is called nowadays).
On Fri, May 6, 2016 at 8:15 AM, Steve Atkins <st...@blighty.com> wrote: > > > On May 6, 2016, at 6:04 AM, Todd Herr <toddmh...@gmail.com> wrote: > > > > > > On Thu, May 5, 2016 at 9:00 PM, Steve Atkins <st...@blighty.com> wrote: > > I've seen them do that when they get out of sequence. Are you doing the > transaction above by hand (and with a real HELO and so on), or is it from > MTA logs? > > > > By hand, real HELO and MAIL FROM, followed by RSET or QUIT, but AIUI, > RSET or QUIT can be issued at any time, yes? > > Yes they can, but I've seen PIXes inexplicably get into a state where they > reject everything. > > Also, they can't handle (with at least some firmware revisions) SMTP > commands broken across TCP packet boundaries. If you're interacting with > them using a character-at-a-time tool rather than a line-at-a-time tool > then that would cause all commands not to be recognized, unless you type > fast enough to beat Nagle. > > Telnet (at least on unixy platforms) defaults to line-at-a-time, I think. > > Cheers, > Steve > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >
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