I disabled postscreen and enabled logging, I have all ports working except 993, in log when I try to connect on port 993
dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=10.244.0.24, lip=10.244.0.108, TLS handshaking: SSL_accept() failed: error:1408F10B:SSL routines:ssl3_get_record:wrong version number, session=<rEH6ocGoOtUK9AAY> I found that I could disable ssl3 by "ssl_protocols = !SSLv2 !SSLv3" but this option is not working (dovecot 2.3.10.1 (a3d0e1171) On Tue, Jun 23, 2020 at 6:27 PM Michael Peddemors <mich...@linuxmagic.com> wrote: > On 2020-06-23 8:24 a.m., Alexander Dalloz wrote: > > Am 23.06.2020 um 07:33 schrieb Bernardo Reino: > >> If you use postfix a "workaround" is to temporarily disable > >> postscreen, which IIRC is the one (rightly) complaining about the > >> improper pipelining. > >> > >> Cheers, > >> Bernardo Reino > > > > No, submitting on SMTP port 25 would be the wrong step. There's > > submission on port 587 or submissions (formerly called smtps) on port > > 465 for taking MUA requests authenticating and submitting a message. > > > > Alexander > > > > +1, you should even go farther and disable authentication on port 25 > > > -- > "Catch the Magic of Linux..." > ------------------------------------------------------------------------ > Michael Peddemors, President/CEO LinuxMagic Inc. > Visit us at http://www.linuxmagic.com @linuxmagic > A Wizard IT Company - For More Info http://www.wizard.ca > "LinuxMagic" a Registered TradeMark of Wizard Tower TechnoServices Ltd. > ------------------------------------------------------------------------ > 604-682-0300 Beautiful British Columbia, Canada > > This email and any electronic data contained are confidential and intended > solely for the use of the individual or entity to which they are addressed. > Please note that any views or opinions presented in this email are solely > those of the author and are not intended to represent those of the company. >