Почему с сервера письма не отправляются? На других CMS не было таких проблем.
Недоставленная почта возвратилась отправителю
This is the mail system at host myhost.biz.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<myfriend@mail.ru>: host mxs.mail.ru[15.77.9.50] said: 550 Message was
not accepted -- it contains invalid headers. More specially, 'From:'
header must match user you are sending mail from. See
http://help.mail.ru/mail-help/mailer/popsmtp for details. (in reply to end
of DATA command)