[rt-users] Overriding Precedence Header

[Jesse Vincent]

On Tue, Jun 29, 2004 at 07:43:10PM -0700, Jason Grigsby wrote:
> >No. That's not actually quite right. RT _doesn't respond_ to incoming
> >mail with a precendece of bulk. Other than that it continues to act on
> >it. Setting the precedence header to "bulk" is a pretty widely honored
> >convention for saying "This email message was generated by a machine,
> >not a human. If you're a machine (like a vacation autoresponder), you
> >don't want to reply to the sender, as you're likely to generate a loop.
> 
> Jesse, to clarify, are when you say "Other than that it continues to 
> act on it" are you saying that Alex's statement that RT will use the 
> X-RT-Loop-Prevention header is incorrect? Or are you saying that it 
> doesn't respond to the messages but it still puts them in the queue?

RT should use the X-RT-Loop-Prevention header to stop RT from talking to
itself. But ezmlm and your customer's MTA are broken in such a way that
by catering to them, RT could get itself stuck in a loop with another
poorly behaved MTA.