[SWLUG] smtp authentication

[Matt Willsher]

On 13 December 2011 08:05, Neil Jones <neil at nwjones.demon.co.uk> wrote:

> I am puzzled by this. This email although using a Demon address is
> actually sent through smtp.ntlworld.com ( this is now part of Virgin)
> I never have any trouble posting to yahoogroups.
>
> I am therefore puzzled by your problems.

My understanding is that isn't only certain groups, perhaps via an opt
in on the list owners part.