older release, I did not find anything it that log bud I will try again.

There is no firewall between this servers and the new configured gateway was on same switch and network. Kind regards, Marc > Am 18.03.2015 um 13:03 schrieb Martijn Brinkers <martijn(a)djigzo.com>om>: > >> On 03/18/2015 12:07 PM, Marc Mollberg wrote: >> last week suddenly my gateway stopped delivering emails only to extern, our Exchange told me this error: >> >> XXXXX.XXX.XX #503 5.5.1 Error: need MAIL command ## >> >> Then I created a new one with the backup settings of it and everything works fine again. >> >> Today I try to find this error in the log files and did not see it on the gateway, also a test mail works fine. >> >> Any other person who has experience with that? > > This sounds more like a (temporary?) network issue or some firewall issue. > > The mail.log (MTA log) should provide more information. > > Since you said that it worked again with a new gateway. Was the new > gateway the same version or newer release? > > Kind regards, > > Martijn Brinkers > > -- > CipherMail email encryption > > Open source email encryption gateway with support for S/MIME, OpenPGP > and PDF messaging. > > http://www.ciphermail.com > > Twitter: http://twitter.com/CipherMail > _______________________________________________ > Users mailing list > Users(a)lists.djigzo.com > https://lists.djigzo.com/lists/listinfo/users