Thunderbird account doesn't retrieves mail correctly
Hello,
my Thunderbird account doesn't retrieves my mail correctly. I have four accounts with the provider Mail.de. Since round about three weeks Thunderbird retrieves all these mails just over night. During the day I receive them just sporadically or not at all - even when I try to retrieve them manually. Also Thunderbird will not synchronise my mail accounts on my phone, tablet and notebook. When I log in with my mail provider I have no problems. The mails are there and I can open and read them. But Thunderbird will not retrieve them. I'm able to send mails but they are not copied into the sent folder and/or I get a error message that they could not be saved in the sent folder or not be sent at all. So I'm never sure if they are sent or not. My google mail account has no problem. With that one I can send and receive mails with Thundrbird without problems.
I contacted my mail provider Mail.de but they said, with my accounts is everything allright. So the problem has to be with Thunderbird. The selfdiagnosis of Thunderbird shows no errors.
I hope very much that you are able to help me. I have Thunderbrid since years and I'm very happy with this program. When you need further information for the bug-fix let me know please.
Sincerely
Todas as respostas (3)
First, are the accounts on all devices set up as POP or IMAP, or a combination? Second, are the settings and instructions followed according to the mail.de recommendations? Third, what is the security software, such as antivirus or VPN?
Finally, do you have separate smtp servers for each account, and each account is set to send on an smtp with a matching User Name?
Hello,
thanks for your answer.
Your questions: 1. All accounts on all devices are IMAP. 2. Yes, the setup followed mail.de recommendations. 3. Antivirus is Avira 4. Yes, all SMTP are with matching username
The problem wasn't always. It's just since round about three weeks. I have nothing changed with the settings and sometimes Thunderbird works (halway) normally sometimes not.
I suggest you start by disabling the Avira Mail Shield, which is the general recommendation. It's common for a TB or AV update to create an incompatibility in a previously-working setup.
If you still experience TB failing to download new mail, the problem might be as simple as a corrupted message blocking downloads:
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