i have problems with sending an email to a particular someone. when i send mail i receive an email back with the subject undeliverable mail. but in the log of astaro i see that the mail is going out. i cant see any returning email. could it be the email address. its something like this. id9748371forinfo@any-server.ru
when i check the domain of the email address it exists. that could also not be the problem.
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