Hi,

While investigating a kmail problem, I noticed that our courier server sends 
the error code
431 Too many recipients.
if there are > maxrcpts receipients in a mail.

Now, 4xx error codes are for temporary errors. I found this piece of code in 
courier:
courier/submit.C-                       std::cout << (max_bofh_ishard
courier/submit.C:                                ? "531 Too many recipients."
courier/submit.C:                                : "431 Too many recipients.")
courier/submit.C-                            << std::endl << std::flush;

Now, I don't understand that. It seems one can set "hard" and "soft" limits 
for maxrcpts (although I don't find anything documented about it). What should 
that mean? What's a soft limit for maxrcpts?

A 4xx error should mean for the user that just sending the same mail later 
again will work (RFC 2821), so from what I can see, it should always be 531. 
If I'm wrong, please explain me why.

-- 
Hanno Böck              Blog:           http://www.hboeck.de/
GPG: 3DBD3B20           Jabber/Mail:    ha...@hboeck.de

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