Tobias K?ck: > Hi, > > I have a Postfix set up to relay the messages to an Exchange server. > > It declines the mails with > > ntern_mail.someurl.de,08D7265A6F30DBE4,12,10.32.68.13:2525,10.32.66.152:49726,*,Tarpit > > for '0.00:00:05' due to '550 5.7.61 SMTP; Anonymous client does not have > permissions to send as this sender',
There are many responses when I search the web for that. > It works manually with telnet mail.someurl.de. >From the same IP address that Postfix is using? > I suspect it is because Postfix send in the Envelope address for some > reason the SIZE=423 with it > > MAIL FROM:<tko...@someurl.de> SIZE=434, > > How can I disable the sending of the SIZE parameter? postconf smtp_discard_ehlo_keywords=size postfix reload But that is just to convince yourself that size does not matter. It will also waste bandwidth when an email message is large. Wietse