My mothers Thunderbird sends special characters (specifically in this case, German umlaute) wrongly, but only from one account.
She has a
firstname.lastname@example.org and a
When the email comes from
ourowndomain.com as the sender, it sends fine, I can see
für. But if the email goes through the
fï¿½r and I do not know why that one account sends emails differently. I checked the general codings, and its set to Western ISO-8859-1, both for incoming and outgoing emails. What else would cause this?