Re: [Evolution] Evolution Windows build (evolution-2.22.1.1-1531.msi) - Problem with EHELO/HELO command not conforming to RFC

[Matthew Barnes <mbarnes redhat com>]

On Sun, 2008-05-25 at 22:06 +0200, Hirsch, Thomas wrote:
> When trying to send emails through configured SMTP server i allway get 
> an Error stating "parameter to HELO does not conform to rfc syntax"
>
> I checked with telenet on port 25 and the server accecpted my hostname 
> in the "HELO hostname" command.
> Then ich tried it with Evolution and captured ip-traffic with wireshark.
> There i could see, that evolution is trying to send 
>       "HELO [hostname]"    (be aware of the brakets)
> rather than
>       "HELO hostname"  (without brakets).
>
> If i try by telnet with "HELO hostname" it's ok. 
> If i try by telnet with "HELO [hostname]" I get the same error, which 
> ist logged by evolution (namely: "parameter to HELO does not conform to 
> rfc syntax")

Hi Thomas,

I think you may be on to a legitimate bug here.  If I understand RFC
2821 correctly, brackets should only be used for IPv4 addresses, not
hostnames.  I filed bug #536154 [1] to investigate the issue further.
Please free to CC yourself on it.

Matthew Barnes

[1] http://bugzilla.gnome.org/show_bug.cgi?=536154