Under the hood both clients are speaking (somewhat) SMTP, but the implementation of that is very different. Is, for example, the crypto failing, or the authentication itself? It would be helpful here, to see what your mail server says. ![]() There are thousands of possible errors and it's nearly impossible to debug that without more information. Maybe the User/Password combination (check you mailserver's logs), maybe the good old KB3067639 ("Update to enable TLS 1.1 and TLS 1.2 as default"), maybe the keystore (and something is suddenly untrusted?), maybe other stuff. Why Outlook on some Win7 installations works but not on others,īecause there is a (important) difference. There are a lot of questions in there, maybe enough for three other SF questions.
0 Comments
Leave a Reply. |