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Email sent & received with junk characters

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  • Last reply by sfhowes

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All three of my windows 10 computers use Thunderbird. All have the problem of obtaining junk characters in e-mails sent and received. Screen shot attached. I have tried everything to no avail. Anyone have an idea?? Only happens in Thunderbird.

All three of my windows 10 computers use Thunderbird. All have the problem of obtaining junk characters in e-mails sent and received. Screen shot attached. I have tried everything to no avail. Anyone have an idea?? Only happens in Thunderbird.
Attached screenshots

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Chosen Solution

This is a problem with ATT/Yahoo servers, and the workaround is to set the preference mail.strictly_mime to true.

https://forums.yahoo.net/t5/Sending/Yahoo-SMTP-server-advertising-8bit-capability-incorrectly-and/m-p/460341#M48710

https://bugzilla.mozilla.org/show_bug.cgi?id=1435903

Modified by sfhowes