Re: [exim] Retry on 550 errors

Mike Cardwell wrote:
> * on the Tue, Dec 05, 2006 at 09:25:33AM -0800, Marc Perkel wrote:
>
>
>> And way to set exim up to conditionally retry on 550 errors instead of
>> bounce. This would be a situation where I know the 550 souldn't have
>> occurred and want to retry till the receiving host is fixed.
>>
>
> For a period of x after mail starts hitting your server for a domain for
> the first time, perform recipient call outs to the destination machine
> when an email comes in to yours. If the callout fails with a 5xx error,
> defer it. When this starts happening, the customer will contact you to
> find out where their email is. You'll see all the defers, and get them
> to fix their end. Once it's fixed, their email should start coming
> through.
>
> Mike
>
>

I think I'll try that. I think it should work. I could have a list of
domains to apply this to. A new customer list. Then delete them from the
list when I know it works.