In an older episode (Thursday 30 June 2005 18:55), Robert Swan wrote: > message_size_limit = 20480000 > > to the main.cf and we are all set to 20MB now..
From my experience with postfix, I would suggest to use something like 30000000 to be able to actually receive attachments with a file size of 20 MB. The encoding causes an overhead of roughly 50% from what i have seen. cheers, wolfgang