OT: strange sendmail issue

[Res]

this question is more suited to comp.mail.sendmail

if you have no access to nntp, there is an nntp-email gateway for the 
group

On Sat, 3 Mar 2007, Chris Yuzik wrote:

> Hi everyone,
>
> I'm having a rather strange sendmail issue. A couple of people cannot send 
> email using our development server, while most other people can without 
> problems. This seems to be more of an issue with their systems as opposed to 
> their email client, but I'm not certain of this. We've tested on Outlook 
> 2007, Vista Windows Mail, and Thunderbird. All have a different way of 
> saying, "no such luck, buddy" (paraphrasing slightly) but more often 
> something like "None of the authentication methods supported by this client 
> are supported by your server" or similar.
>
> When MOST people connect, after their mail client issues the "EHLO xxx", 
> there is something that looks exactly like this:
>
>   250-ENHANCEDSTATUSCODES
>   250-PIPELINING
>   250-8BITMIME
>   250-SIZE
>   250-DSN
>   250-AUTH DIGEST-MD5 CRAM-MD5 LOGIN PLAIN
>   250-STARTTLS
>   250-DELIVERBY
>   250 HELP
>
>
> But when some users connect and after their machine issues the "EHLO xxx", 
> they only get this:
>
>   250 ENHANCEDSTATUSCODES
>
>
> After which, their mail client promptly generates an error and it's all over.
>
> We've confirmed the same behaviour from Telnet as well.
>
> I thought it might have been related to unsigned-certificates on the server 
> or something, but I don't think so.
>
> Anyone have any ideas how to troubleshoot something like this?
>
> Thanks,
> Chris
>
>

-- 
Cheers
Res