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On Sun, 05 Jul 2009 18:35:41 +0100, Grant <dcglug@xxxxxxxxxxxx> wrote:
>
> On Wed, 01 Jul 2009 09:15:09 +0100, Simon Waters <simon@xxxxxxxxxxxxxx>
> wrote:
>> grant@xxxxxxxxxxxx wrote:
>>>
>>> I'm not sure what's happened here, and I'm struggling to find
>>> anything relevant in the logs, but this morning I am getting SMTP 451
>>> errors: "451 Temporary local problem - please try later" Well, I
>>> tried again later. And again. And again. Still getting the same
>>> issues.
>>>
>>> Curiously I can send mail successfully with the "mail" command, but
>>> telnetting to the SMTP service and going through things that way
>>> consistently produces these 451 errors.
>>>
>>> I have tried stopping and restarting the SMTP service to no avail.
>>
>> Some sort of temporary local problem ;)
>>
>> Possibly a problem with the DNS if you have some sort of check on
>> connecting boxes.
>>
>> Show us the logs produced.
>>
>> Are you sending, or delivering email to this server?
>
> Both, actually, but it seems to be the sending that's failing.
>
> The machine retrieves mail from a remote POP machine for each user (ie
me)
> and stores it in a local Maildir, then served up by IMAP. It accepts
> incoming connections on :25 for outgoing mail.
>
> I would include the logs but can't for the life of me find them! I know
> that sounds silly, but when checking all the logs' timestamps immediately
> after I get the 451 error, none of them seem to be any newer. Not
> /var/log/mail* or /var/log/exim4/*.
>
> WRT DNS issues - essentially there are no connecting boxes. Almost
> without
> exception the only machine I use to send email through this machine is my
> laptop, and even then I do so with SSH port forwarding - I have laptop:25
> forwarded to server:25, so as far as Exim should be concerned, it is
> receiving SMTP traffic from itself.
>
> As I said above, curiously the mail command will send fine. (I'm sending
> this via my Roundcube webmail interface which uses PHPMAIL, so I'd expect
> it to work OK).
>
> Any thoughts?
Anybody got any ideas? All the Googling I'm doing seems to be pretty
fruitless - "it's a temporary problem, try again later" syndrome.
Grant.
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