fafaforza wrote: > On 10/12/2011 10:59 AM, Joel Roberts wrote: >> >> Hi all, new to the group. Have recently setup POSTFIX as an SMTP relay >> front end to an Exchange 2007 backend. Have encountered the following >> issue: >> >> I'm using POSTFIX as an SMTP fronted relay to an Exchange >> <http://www.tek-tips.com/viewthread.cfm?qid=1663396&page=1> 2007 >> backend. The default size for attachments in POSTFIX is 10 MB. I've >> set that in the configuration file to be 20 MB. When I look at >> postconf -n it verifies that the limit is set to 20 MB, >> (message_size_limit = 20480000). I've stopped and restarted the >> postfix service, but messages are still bounced back to my Exchange >> server <http://www.tek-tips.com/viewthread.cfm?qid=1663396&page=1> as >> undeliverable if they exceed 10 MB in size.) The bounce-back message >> users receive lists the Debian Linux / Postfix server as the server >> bouncing it back for exceeding size. Is there somewhere else this >> needs to be set? >> >> The error message I get from exchange is: >> >> This message exceeds the maximum message size allowed. Microsoft >> Exchange will not try to redeliver this message for you. Please make >> the message smaller -- by removing attachments, for example -- and try >> sending it again, or provide the following diagnostic text to your >> system administrator. >> > > This appears to be an error from Exchange, no? > > >> The following organization rejected your message: >> {POSTFIX_SERVER.OUR_DOMAIN.com. >> >> Thank you, >> >> Joel Roberts >> >> Network Administrator
I agree. It looks like its coming from Exchange. you need to change the limit there, too.
