Stop email without from address

[magnetmo]

Hi, I have received the emails without From and Subject , It displays the content like this "PGRpdj6aPC9kaXY+PGRpdj48c3BhbiBkYXRhLWFsaWduPSIwOjYiPkhpLCBNYXJ0aW48L3NwYW4+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"

But I dont want to receive emails like this. How can I stop this?

[EXG133]

Those really should have been blocked by your mail or spam server..

If you can't change your mail/spam server this regex should (haven't tested) match an empty string:

^$


So you filter From & Subject with that regex and then set X-OTRS-Ignore to 'True'

[magnetmo]

These types of tickets are created from OTRS? if not, Where its from?