Autor: Renaud Allard Data: Dla: Zbigniew Szalbot CC: exim-users Temat: Re: [exim] why 550 does not result in removing mail from mailq?
Zbigniew Szalbot wrote: > Hello,
>
> Beg your patience with me. I wonder why would the below rejection info
> does not cause exim to give up trying to deliver to a non-existent
> address?
>
> 2007-01-23 18:38:28 1H8EEP-00084l-5s SMTP error from remote mail server
> after RCPT TO:<SOMEONE@???>: host naxpf012.abnamro.com
> [155.181.177.27]: 450 <SOMEONE@???>: Recipient address rejected:
> undeliverable address: host naipf012.sfb.na.abnamro.com[10.206.138.44]
> said: 550 <SOMEONE@???>: Recipient address rejected: undeliverable
> address: host aatryr001.sfb.na.abnamro.com[10.206.144.215] said: 550
> SOMEONE@???... No such user (in reply to RCPT TO command) (in
> reply to RCPT TO command)
>
>
The rejection from the remote server is 450, not 550. So this is a
temporary error and exim shouldn't stop trying delivery.
If you test it manually, it's clearer because the formatting is more
readable:
telnet 155.181.177.27 25
Trying 155.181.177.27...
Connected to 155.181.177.27.
Escape character is '^]'.
220 naxpf012.abnamro.com ESMTP Postfix
ehlo tests
250-naxpf012.abnamro.com
250-PIPELINING
250-SIZE 15000000
250-ETRN
250 8BITMIME
mail from:<>
250 Ok
rcpt to:<nonexistent@???>
450 <nonexistent@???>: Recipient address rejected: undeliverable
address: host naipf011.sfb.na.abnamro.com[10.206.138.40] said: 550
<nonexistent@???>: Recipient address rejected: undeliverable
address: host aatryr002.sfb.na.abnamro.com[10.206.144.216] said: 550
nonexistent@???... No such user (in reply to RCPT TO command)
(in reply to RCPT TO command)
