Gerald Galster: > > just wanted to let you know that Outlook users might run into problems > > submitting mails after Microsoft's latest Windows update. > > > > Oct 15 14:49:42 mx1 postfix/submission/smtpd[25067]: connect from <redacted> > > Oct 15 14:49:42 mx1 postfix/submission/smtpd[25067]: SSL_accept error from > > <redacted>: lost connection > > Oct 15 14:49:42 mx1 postfix/submission/smtpd[25067]: lost connection after > > STARTTLS from <redacted> > > > > This occurs on submission port 587 (STARTTLS) and smtps port 465 (TLS). > > > > Since deinstalling the update no submission errors have occured: > > > > - Update KB5018418 on Windows 11 (verified) > > - Update KB5018410 on Windows 10 > > This issue is resolved by update KB5018496 for Windows 11 22H2 x64:
Thanks. I am not failiar with Microsoft's processes, is this something that could be deployed globally next patch Tuesday? Wietse