[imp] Receipts?

[Chuck Hagenbuch]

Quoting Joseph Brennan <brennan@columbia.edu>:

> RFC 1894 refers to "the nonstandard, but widely used, Return-Receipt-To
> extension header".

Okay - I've added support for setting this header to IMP 2.3. Could someone
who's more familiar with receipts check it out and see if it does what you'd
expect it to? I've verified that it tosses the header in, but I'm not sure what
else is supposed to happen...

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"If you can't stand the heat, get out of the chicken!" - Baby Blues