Hi there,
Roundcubes mail server still has problems with accepting external email. Who should I contact? Perhaps somebody could tell me if this MX record is correct : ext-mx01.kolabsys.com
Nov 27 13:23:58 lt postfix/smtp[28143]: 0C78B95: to=users@lists.roundcube.net, relay=ext-mx01.kolabsys.com[94.230.208.221]:25, delay=1.4, delays=0.4/0.01/0.94/0.05, dsn=5.7.1, status=bounced (host ext-mx01.kolabsys.com[94.230.208.221] said: 553 5.7.1 users@lists.roundcube.net: Sender address rejected: not logged in (in reply to RCPT TO command)) Nov 27 13:23:58 lt postfix/smtp[28143]: 65B2B96: to=users@lists.roundcube.net, relay=ext-mx02.kolabsys.com[94.230.208.222]:25, delay=0.28, delays=0.01/0/0.12/0.15, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 9F49B160787)