Weird DNS behaviour

[Derek Broughton]

Mark Nichols wrote:

> I hate to hijack a thread, but it is the only way I can post to this list.
> New emails sent to ubuntu-users at lists.ubuntu.com from my email address (
> ubuntu.prole at gmail.com) seem to disappear.  I never see them in the list.
> However, when I've replied to other postings (like this one I am
> hijacking) they replies come through just fine.

That's gmail.  Gmail doesn't display it, because it already has a "read"
(ie, sent) copy of the message with the same message-id.  I'm surprised you
can see the ones you reply to, either.
-- 
derek