Am 21.02.2016 um 13:00 schrieb Kiss Gábor: >>> My colleagues need authenticated channel to submit mails when traveling. >>> So disabling sasl is not an option. >> >> read again i just say disalbe it on port 25 >> >> and convense users to use submission port 587, or 465 as users se fits > > Can you guarantee that hotel firewalls allows to reach my port 587? :->
there is no guarantee for port 25 open at all its not exotic that 25 is blocked to kill infected win pcs. The answer mostly is webmail ( "perhaps" active sync ) cause https open is a must have at public networks in real world. In modern public firewalls submission port should be open , cause in big mail setups this port is default these days. Also most used mail clients can be configured auto with IMAP SPECIAL-USE and projects like https://automx.org/en/ so no big work at migrate > >>> The problem is already solved by Allen Coates. :-) >> >> what problem ? > > "how to configure smtpd to close connection after 3 authentication error"? > http://article.gmane.org/gmane.mail.postfix.user/254364 > > Gabor > Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein
