Graeme Fowler wrote:
> On Thu, 2008-02-21 at 13:24 -0800, Marc Perkel wrote:
>
>> I have an unusual situation. I have a customer that I'm spam filtering
>> for.
>>
>
> First things first: educate the customer as to why what they are is
> wrong. Simply put, they should 5xx the invalid recipients, not 450 them.
>
>
>> Their server however for some strange reason returns a 450 instead of
>> 550 for non-existent users. Text is "User unknown in local recipient
>> table". I'm trying to figure out how to capture and test that response
>> so I can properly reject this mail rather that retrying for a long time.
>>
>
> Can I introduce you to
>
> http://www.exim.org/exim-html-current/doc/html/spec_html/ch32.html#SECID161
>
> ???
>
> You know the domains you're handling, so you could create a retry rule for
>
> customer.domain rcpt_450 F,1m,1m
>
> [not tested]. Care should be taken not to be too over-zealous with this
> sort of thing, since there are myriad reasons why your customer's MTA
> returns a 450 - many of which may be unrelated to the issue at hand.
>
> Graeme
>
>
>
Thanks Graeme, I'll give that a try. But it would be really nice if the
actual message from the callout were returned in a variable so that I
could test it. I've asked the customer to change it to 550 but it's not
happening.
