Thread: Mail sync error occurred...
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pichlo is offline pichlo
2014-07-26 , 20:16
Posts: 6,453 | Thanked: 20,983 times | Joined on Sep 2012 @ UK
#4
Originally Posted by mcbook View Post
One of my mail accounts won't sync any more.
You get extra points for spelling "any more" correctly (as two words)

Originally Posted by mcbook View Post
turns out that the problem occurres when I use IMAP with SSL or TLS. If I choose to use none of these ways of authentication it works
That sounds like a certificate issue. Especially if that is an email account at a different host from the others. They may have changed the certificate or should have changed it when it expired but didn't. Did you get any certificate warning when you tried to access the same email account from your PC around the time when it stopped working on your phone?

Unfortunately certificates are one big fuzzy mysterious blob for me so I cannot give you any specific advice but this is the path I would start investigating if I were in your place.