Gives error today - inbound.att.net certificate invalid !!??
when trying to download email today, says certificate for inbound.att.net is not trusted. android email and browser email are OK.
All Replies (2)
If you're using AVG or Avast, turn it off, or check with them.
Modified by christ1
I do not have either. I have Norton 360, but even with Norton email protection turned off, Thunderbird gives the same message that the certificate is revoked, and that no legitimate service would make you try to circumvent this. I do not know what this certificate is, what it is for, who issued it, and who is responsible for suddenly revoking it. And why does the problem not occur with my android device email or my webmail account access, only with Thunderbird on Windows 11?
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