Brian <a...@cityscape.co.uk> writes: > On Mon 13 Oct 2014 at 04:06:27 +0200, lee wrote: > >> Harry Putnam <rea...@newsguy.com> writes: >> >> > lee <l...@yagibdah.de> writes: >> > >> > [...] >> > >> > Thanks for the tips. >> > >> >>> SMTP>> EHLO 2xd >> > >> >> That's an invalid helo string. >> > >> > Is a valid one made up of just the full fqdn? >> >> See https://tools.ietf.org/html/rfc2821#section-4.1.1.1 >> >> It says to either use the fqdn or, if not possible, an IP >> literal. However, it's common practise to deny IP addresses in HELO >> greatings. > > An address literal is not the same as an IP address. An MTA should not > be rejecting mail on the basis that the HELO is an address literal.
Oh, then what is it? > It's probably academic what the HELO is most of the time. Many ISPs > will accept any old rubbish for it. That's a misconfiguration they should fix. -- Again we must be afraid of speaking of daemons for fear that daemons might swallow us. Finally, this fear has become reasonable. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/87bnpbtrxl....@yun.yagibdah.de