Outgoing mail blocked as spam
Suddenly after using TB for several years without problems, I stil can receive mails, but if I try to send, I get the message: "Error. The mail server answered 5.7.1 message considered spam."
I have Thunderbird installed on two PC's, both with the same account. This has worked fine for several years.
I can send mails from my Web-mail, and the problem is only on one of the PC's (64 bit, Win 10, TB version 78.9.0 (32-bit)).
What do I do? Reinstallation without changing the profile probably will not work? Would it help to install a 64-bit TB
Best,
الحل المُختار
Problem solved! I have a VPN-connection. Normally it works fine, but if I connect via Sweden, it considers all mail as spam!
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I have installed the 64-bit version. Sill the same problem: outgoing posts are blocked as spam. I have check all possibilities for triggering spam which I could think of, whithout result.
The other PC which can send outgoing mail, is version 52.9.1 running on a XP-system.
Best,
الحل المُختار
Problem solved! I have a VPN-connection. Normally it works fine, but if I connect via Sweden, it considers all mail as spam!