Author: Phil Pennock Date: To: Ian Eiloart CC: Exim-users, Will Smith Subject: Re: [exim] Exim receiving for one domain, but not for another
On 2013-08-15 at 12:00 +0100, Ian Eiloart wrote: > Are you delivering two copies of ONE email to the same gmail.com
> address? If so, Gmail will only display one copy of that message. It's
> really annoying, because it won't show you a copy of your email to
> this list, for example: it'll only show you the copy that you sent! I
> don't know what kind of algorithm they use to determine whether two
> emails are the same.
If recollection serves: Message-ID header comparison, just as the mail
specs dictate.
Thus the need to use list:<foo@???> as a filter operator for
automatic labelling, rather than listid:<foo@???>, as the former
also checks To:/Cc: headers.
