[Techtalk] Email failure messages
Devdas Bhagat
devdas at dvb.homelinux.org
Thu Sep 30 10:30:19 EST 2004
On 29/09/04 11:11 -0700, Rachel McConnell wrote:
> Hello gurus,
>
> I am not an email server administrator, although I do have a reasonable
> amount of high-level knowledge of how email works.
>
> I get a bounce message whenever I try to send email to a particular
> addresss (name at some.net below). Normally I would think that the address
> is incorrect, but for other reasons I believe this not to be the case.
Unmunge please. Munge the email address in a way that humans can unmunge
it. A 550 access denied looks like a local blacklist entry in the
remote server's access file.
>
> Other bounce messages I've seen that use the text "does not like
> recipient" have given reasons like "User unknown" instead of "Access
> denied". I'm wondering if the below means that my IP address is on a
Does not like recipient == Qmail's way of saying that the other server
rejected the mail.
> blacklist used by some.net? Or possibly my email address specifically
> (this is not out of the question given the technical knowledge of
> name at some.net and the nature of our relationship).
>
> I've done some googling on this but can only find examples of similar
> messages in archived mailing lists, not anything that explains what the
> responses mean.
>
> Explanations or pointers to explanations gratefully accepted! If I'm on
> a blacklist, I'd like to ask the lister why and try to get off it.
I would guess a blacklist, but whether of email address, domain,
localpart, IP or reverse DNS is totally impossible to debug with
obfuscated information.
<bounce trimmed>
Devdas Bhagat
More information about the Techtalk
mailing list