HMm maybe I know where is the problem. It seems like the emails are not sent from that adress actually admin@domain.com does not exists or is not setupped properly. just a guess.
SalmanAbbas007 Reviewed by SalmanAbbas007 on . Gmail marking mail as spam. Gmail decides to mark my server mail as spam even though, I am not on any blacklists, my SPF records PASS, and my domain key is GOOD. Does anybody have an idea why Gmail would be marking my mail as spam? Rating: 5