[exim] smart hosts per domain

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Auteur: Adrian Baxter
Datum:  
Aan: exim-users
Onderwerp: [exim] smart hosts per domain
Hi,



I have a rented server sitting with an isp and its using exim to manage
mail services, I'd like to configure it to use a managed external smart
host service to scan the mail sent to and from the domain for viruses &
spam. I have multiple domains on this server and I'd like to be able to
set the smart host usage on a per domain level if possible.



If one domain sends to another domain that also exists on the same
server I'd like to force it to send it via the external smart host.



Is this possible with exim, do you need more information, let me know if
you can help?




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I have an interesting problem that I am hoping people can help with.
My hosting provided doesn't have any reverse DNS setup for the IP
range that my dedicated box is in. I know that some admins reject at
EHLO time because of this even if I have DKIM and SPF setup so rather
than scrapping the idea of running my mail from my own server I was
thinking that it might be possible to resend the mail using a smart
host if it fails at EHLO time on the first attempt. I have no idea how
to even start this though. There is lots of retry configs but they all
seem time related. Are there some config parameters that I should look
at? My only rough idea so far is to have the queue runner use a
different config than the main process but that sends chills up my
spine.

So without that I am forced to use a smart host regardless, but I have
no idea where to look for a good provider. I need the ability to send
from any account on my domains at about 100 - 200 messages per day at
most (usually more like 20). Are there any places that can do this
relatively cheaply considering I don't need the inbound side?

- Brady