mail doesnt get to gmail but gets to mai.ru

[avto_rock]

hello

i use zpanel control panel with roundcube mail agent. i have my own email @mydomain.com i can send email to mail.ru from [email protected] and it gets wihtout any problems to mail.ru user, but not yahoo gmail or hotmail. it sends but doesnt come to this 3 email please help what is problem? 

[SKaero]

More than likely your getting blocked by spam flitters. Make sure your server ip isn't blacklisted and you have spf records setup correctly.