On Sun, 13 Jun 2010, Alessandro Vesely wrote:
> On 13/Jun/10 18:07, Dave CROCKER wrote:
> >
> > 1. Can you give a very brief summary of the scenario that fetchmail
> > provides that you believe needs to be covered and is not (and for what
> > definition, exactly)?
>
> I don't have strong beliefs about fetchmail's MTA-ness.

Fetchmail sucks messages out of a mailstore via IMAP or POP and re-injects
them using SMTP to a local MTA which it expects to do local delivery to a
local mailstore.

Microsoft Small Business Server does something similar.

> > 2. What text, in particular, is wrong with respect to the case you cite,
> > or what functionality needs to be covered and is not?
>
> Fetchmail changes the envelope recipient when it relays retrieved messages to
> the target MTA.

Once a message has been delivered it has no envelope, so fetchmail has to
re-invent the envelope rather than rewrite it.

> According to RFC 5598, fetchmail is a Mediator.  Unfortunately, that term
> isn't widely used in such technical acceptation.

Yes.

Tony.
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