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External Email Clients Can't Authenticate After Upgrade to 10.4.4

R

RobbieL

New Pleskian
I just upgraded from (I think) 10.2 to 10.4.4, and now no external email client will authenticate with the mail server. I've tried things from changing settings to things that don't make sense, restarting the server, playing around with user permissions and many other things.

Webmail still works though which is the odd thing.

Can you please guide me as to where I should go from here as it's rather doing my head in!
 
So if that is the case, how long until I can use emails again? I know it's hard to judge the release timeline but yeah...
 
Just an update, after further testing I've found it is the issue you've linked to so I've been able to change it around a bit, thanks!
 
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