* Iseli, Erich <erich.is...@saint-gobain.com>: > Hello everybody, > > A software we use in house is sending e-mails that are processed by postfix > which relays them to an exchange server that has a connection to the > internet (unlike the sending server).
The software you use inhouse does not specify a valid envelope sender. Have that fixed and the problems will go away. p...@rick -- All technical questions asked privately will be automatically answered on the list and archived for public access unless privacy is explicitely required and justified. saslfinger (debugging SMTP AUTH): <http://postfix.state-of-mind.de/patrick.koetter/saslfinger/>
