On 12/04/18 09:42, Mike Brudenell via Exim-users wrote: > On 11 April 2018 at 19:43, Jeremy Harris via Exim-users <email@example.com >> wrote: > >> That would be incorrect per standards. The HELO name should identify >> the sending system. >> > > Umm… Agreed, but what if this mysterious and obfuscated organisation has > multiple A records under different domain names pointing at the system Exim > is running on? Wouldn't it then be valid to use any of those in the > HELO/EHLO command? E.g., > > - a.example.com is an A record pointing at ww.xx.yy.zz > - b.example.net is an A record pointing at ww.xx.yy.zz > > Wouldn't it then be permissible to use a.example.com in the HELO/EHLO when > sending from an "@a.example.com" address, but b.example.net when sending > from an "@b.example.net" address?
Yes. Because both cases identify the sending system. -- Jeremy -- ## List details at https://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/