Outlook vs Thunderbird

[Benny Pedersen]

Tanstaafl skrev den 2020-07-15 21:28:
> On Tue Jul 07 2020 02:07:08 GMT-0400 (Eastern Standard Time), Mark
> Constable <markc at renta.net> wrote:
>> FWIW I meant if the client is Windows7/old-Outlook then changing 
>> either
>> 993/SSL or 143/STARTTLS to 143/NONE could help pick up the mail. We 
>> had
>> to do this for a 100 or so clients a few months ago after upgrading to
>> Ubuntu 20.04.
> 
> Really, really bad idea. You just disabled an/all security on your imap
> connection.

windows 7 just need tls 1.0, why its need to disabled all, is aswell 
beyong me, do not disable tls 1.0 in dovecot aslong one have windows 7 
clients

upgrade all clients to windows 10, then tls 1.0 and more weak tls 1.1 
can be disabled in dovecot

hope the best for all