On Fri 17 Oct 2014 at 03:20:44 +0200, lee wrote: > Brian <[email protected]> writes: > > > Not that I'm suggesting setting up exim to offer an invalid HELO; it > > will lead to trouble sooner or later. However, as a reason for mail > > being rejected or not arriving it doesn't come top of the list. > > Not accepting invalid HELOs is pretty high on the list because it's a > very simple check. It gets rid of quite a lot of spam with minimal > resource usage.
It could also get rid of a lot of legitimate mail because of misconfigured clients. ISPs get flack doing that so they come to a decision whether it is worth being so strict. Many ignore invalid HELOs. -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: https://lists.debian.org/[email protected]
