Re: [exim] Bounce Handling

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Autor: MaDhAt2r
Data:  
Para: Heiko Schlittermann, exim-users
Asunto: Re: [exim] Bounce Handling

Heiko, thanks so much for your help!

I think I misstated the server role. I intend on having it face the
world with proper DNS records. I just don't want it to store mail as
none of the addresses they use will be checked, so I do not want to
store mail for them, just handle bounce mail to them. All the reply-to
headers will be set to a noreply address, which is blackholed.

This is where I am still unclear. Is there a way that I can get all the
bounces to come to a specific address like bounce@??? (perhaps
using errors_to) and then send the rest to :blackhole:?

What is the proper way to handle this?

I apologize if these issues are obvious in some way, I just cannot seem
to find the answers anywhere. I really appreciate your help.

-Micah



On May 15 at 10:37 PM, Heiko Schlittermann via Exim-users said thus:
> MaDhAt2r via Exim-users <exim-users@???> (Mi 15 Mai 2019 20:49:47 CEST):
>> My clients want to use different email addresses depending on the
>> department or who is sending them. i.e. books@???, tom@???.
>>
>> They want to keep track of bounces/deliveries.
>>
>> What I having trouble with is how do I send all bounces to a specific
>> address or pipe because the from email address they use to send them
>> will not be an actual user in the sense of configured on the server,
>> just a user configured via software. (I tried setting errors_to on the
>> router, but that did not seem to work)
>
>
>     FROM: books@???
>     TO:   subscribed@@example.org
>     To:   subscribed2@???

>
>     ---> this is now sent through your server to the outside world?

>
> In case the bounce does not happen on your server, you're out of luck,
> until you're willing to handle mails for example.com (the senders
> domain) and indicate this via a proper DNS setup (MX records or proper A
> records).
>
> In case the bounce is generated *on* your server (e.g. because the
> destination domain isn't reachable), it depends on you how you handle
> mails from <> to books@???.
>
> Normally the standard dnslookup router setup from the plain example
> config should do. Your server behaves as almost every other MTA on this
> planet: do an MX lookup and send the mail to the host willing to handle
> example.com's messages.
>
> If you want to hangle this locally, you could do so by a modified
> aliases mechanism, inserted at the very beginning of your routers chain:
>
>
>     bounces:
>         driver = redirect
>         data = ${lookup{$local_part@$domain}lsearch{/etc/exim/bounce-handler}}

>
> And the bounce-handler file can contain alias definitions
> (pipelines, other addresses, files, whatever). The router configuration
> may need additional options, depending on your alias destinations.
>
> Or directly into a command:
>
>     begin routers:

>
>         bounces:
>             driver = redirect
>             data = |/opt/bin/bounce-handler $local_part@$domain
>             pipe_transport = bounce_pipe

>
>
>         …

>
>     begin transports:

>
>         bounce_pipe:
>             driver = pipe

>
>
>
>> Secondly, is there a way to disable the sending of "delayed" messages
>> also, as I don't really need to know about them unless they are a hard
>> fail.
>
> Look for delay_warning main config option.
>
>     Best regards from Dresden/Germany
>     Viele Grüße aus Dresden
>     Heiko Schlittermann
> --
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