On Wed, 2 Aug 2006, John Horne wrote: > On Wed, 2006-08-02 at 17:45 +0100, Jeremy Harris wrote: > > Chris Lightfoot wrote: > > > > > No valid bounce will have >1 recipient > > > > I think there are cases (mailinglists?) where that isn't so. > > > Yes. The RFC actual states that more than one recipient is possible (and > hence allowed). I can't remember which RFC it was, I would have to dig > it out again (possibly 2821), but I was reading about this very problem > a week or two ago.
While that's true, is it a common occurrence? Does anyone have any feel for the risk of rejecting on this condition? I have seen this discussion at various times in the past, but I've never really been left with the impression that the circumstance was so common I needed to worry about it. Maybe others know differently. I once kept this snippet, but reading it now it doesn't make a lot of sense to me now. Tony may have been one of the protaganists in this case: > >> If email is sent using a role address which aliases to more than one > >> person, any message that bounces will have the bounce alias-expanded to > >> have more than one recipient. > > > > A genuine bounce message would be sent to the envelope sender, just one > > address. My acl is checking the number of RCPT TO commands, not the > > number of recipients after alias expansion. > > Of course it depends on the details of message submission and routing > whether my scenario is a problem. For example, what if the alias is > expanded off-site? Jethro. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Jethro R Binks Computing Officer, IT Services University Of Strathclyde, Glasgow, UK -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
