smtp error code "Recipient not in route list"

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Conzi
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smtp error code "Recipient not in route list"

Post by Conzi » 2013-06-04 23:09

Hi,
I have some doubt about the smtp error related to "Recipient not in route list".
On my server (hmailserver 5.4-B1949) I see this behavior:
Image
(I have a route with only some address enabled)
but this behavior is a problem to me because the remote servers treat this error (421)as temporary fault and retry to send the email, and retry, and retry....

Reading the documentation I have found this:
http://www.hmailserver.com/documentatio ... sages_smtp
Image

smtp error 550 is a permanent error, and for me is ok this way.... so, what do you think about?

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Conzi
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Re: smtp error code "Recipient not in route list"

Post by Conzi » 2013-06-06 14:06

up....

^DooM^
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Re: smtp error code "Recipient not in route list"

Post by ^DooM^ » 2013-06-06 20:34

If at first you don't succeed, bomb disposal probably isn't for you! ヅ

gonzo99
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Re: smtp error code "Recipient not in route list"

Post by gonzo99 » 2013-08-27 15:38

Now I stumbled over this bug, too - using 5.4 B1950. And was about to blame the firewall, because it did not reject mails for non-existant users. What is correct from the view of the firewall, a 421 error is a temporarily one. Like Conzi said the combination of 421 and recipient not in route list is wrong, this should be a 550 error.

I just reverted to version 5.3 and everything is allright again. The bug is reported, but is marked as critical low. IMHO this should be classified higher than low, because with this wrong behaviour the SMTP spool folder on the firewall fills up very fast - the firewall simply does not reject any mail, it accepts them all no matter if the receiver exists or not.

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