On 15-Jun-2001 Peter Holm wrote: > Hi, > > two more questions come to my mind: > > - has xmail some built in handling for bouncing mails from mailinglists? The sender toa mailing list can be masqueraded and this sender will receive all bouncing mail. You can implement ( with mailproc.tab ) and automatic unsubscribing system based on bouncing emails. > - how does pop-before-smtp internally work? > (Does it use only ip-adress for auth? This would be bad for people > behind some gateway) When an account successfully login the POP3 server a file is created inside the account directory containing the peer IP. When such account issue a MAIL_FROM SMTP command XMail look if : 1) the account is local 2) the precence of the IP file 3) the file is not expired If all these test are successful, You can relay. - Davide
