Pascal de R. wrote: > Hi, > > Spammers are often using unavailable Mailboxes and when the main > server ( not custom domain ) receives this kind of spam he refuses > with the following answer "550 Mailbox unavailable" : that's > correct! > > But I have a problem with backup MX using custom domains. > > If this spam is directly sent to the backup MX ( custom domain with > "smtprelay") the mail is accepted and relaying to the main MX > server. In this case, the backup MX receives "550 error message", > the postmaster too...etc. Too many transfert, bandwith and CPU > charge for nothing. I tried many solution but i didn't find the > right way to stop this unusefull process. > > Has anyone found a solution or any idea to reduce process ?
cmdaliases implement custom domains at user base. we do backup mx so. - To unsubscribe from this list: send the line "unsubscribe xmail" in the body of a message to [EMAIL PROTECTED] For general help: send the line "help" in the body of a message to [EMAIL PROTECTED]
