Peter Bowyer schrieb: >> This causes lots of trouble: >> - non-delivery reports get to false users (in case of rejected spam/viruses) >> - we send unnecessary non-delivery reports for non-existing users; it >> should be cut off as soon as someone connects to Exim >> >> >> I know the proper way to do it would be to have an up-to-date list of >> existing users on the Exim box for all "remote users", but it's not >> always possible. > > That's a great use case for Exim's recipient callout verification. As > long as the destination server rejects unknown recipients at SMTP > time, your Exim will 'learn' (ie cache) which users are valid and > which are not and reject invalid users.
This sounds good, I'll read about it. > If mail is getting rejected at the destination for spam, you 'just' > need to make sure that your own spam filtering is equally or more > strict than the destination. True. -- Tomasz Chmielewski http://wpkg.org -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
