On Fri, 8 Jun 2018 17:54:28 +0100, Vladimir Tiukhtin stated: >I am using dovecot 2.2.10 on CentOS 7 > >Any Outlook versions (2007, 2010, 2013...) hang if I tried to use TLS, >it works if I switch in client TLS to SSL. Thunderbird works perfect >both scenarios
{snip} Seriously, those versions of Outlook are both old and no longer supported. In any case, you have already answered your question; ie, use SSL. -- Jerry