Password mismatch after upgrade to Ubuntu Focal

[John Stoffel]

Jeffrey> On Mon, 2020-06-15 at 22:44 -0400, John Stoffel wrote:
>> 
>> And what about if you don't use LDAP, but just use an sqlite3 or even
>> just a plain flat file for authentication, to try and figure out if
>> it's dovecot's problem, or maybe something in LDAP that changed as
>> well?
>> 

Jeffrey> Thanks for your reply! We already found the issue, we're using a
Jeffrey> special character in our salt which isn't allowed (anymore?). After
Jeffrey> changing the salt, LDAP authentication is working again on Ubuntu
Jeffrey> Focal.

Great news, can you post more details so that other's don't run into
the same problem?  Knowing the salt value isn't a bad thing....

John