Mail handling me NT kai sendmail

[The Reverant]

Paides xaireto.
Stin sxoli mas trexoune NT. To domain einai teilam.gr kai i IP tou
smtp/pop3/dns einai 195.130.78.202. Prosfata xreiastike na baloume ena
linux  mixanima pou tha trexei sendmail. O monos logos einai giati xreiazetai
na pairnei mail enas xristis se afto to mixanima, me diefthnisi
support.teilam.gr (195.130.78.209). To username tou xristi einai support,
diladi i email tou einai support at support.teilam.gr. To problima einai to
eksis:
Otan stelnoume email pros ton support at support.teilam.gr, tote pairnoume
apo ton exchange to eksis error:
Unknown recipient.
Kai sto /var/log/mail tou support den emfanizetai tipota.
Ama omos steiloume mail ston support at 195.130.78.209, tote sto
/var/log/mail pernoume ta periexomena tou attachment.
Mporei kanes na boithisei kai na mou pei ti ginetai kai den dexetai to
email pou tou erxetai? Ta outlook clients paizoun me SMTP ton NT (exchange
5.0, 195.130.78.202) kai afto den mporei na allaksei (ennoeitai oti ama
tous baloume san SMTP ton support.teilam.gr paizoun ola OK)

Efxaristo prokatabolika,
Dimitris Stasinopoulos