Ok diky za rychlou odpoved.
Kdyby se dostal do uctu, tak by asi bylo poznat v logu, ze jsou ty maily posilany, ze?
Nevim jestli tahle hlaska souvisi s tim utokem, ale prestali se nam dorucovat maily z nasi domeny par hodin po tom, co jsem obevil ten utok.
Delivery to the following recipient failed permanently:
uzivatel@seznam.cz
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain seznam.cz by mx1.seznam.cz. [77.75.72.42].
The error that the other server returned was:
550 5.7.1 Sender Policy Framework of `example.cz' domain denied your IP address.