Am 20.11.2012 14:13, schrieb Sam Jones:
> Good afternoon,
>
> I'm looking to get some views and advice on the best way to set Postfix
> up so I can segregate a large newsletter list up into a semi decent
> working structure.
>
> Basically my newsletter server has a /29 and I want to set up Postfix to
> (hopefully) do something like this:
>
> eth0:1 1.1.1.1 GMAIL Subscribers
> eth0:2 2.2.2.2 AoL Subscribers
> eht0:3 3.3.3.3 all others
>
> I'd like to be able to rate control the Gmail & AoL to complicate issues
> a little. I know how powerful and fast Postfix can be and I don't want
> to exceed the limits set on small scale mailers like us.
>
> What I'm looking for is the best approach to do this?
>
> I don't think I can do this with multiple instances as the incoming mail
> stream from the newsletter server (SMTP) has a stream of recipients at
> various domains, so what arrives in the Instance of Postfix will be
> mixed to start with.
>
> So I guess this means I'll need to simply do this in transports. I think
> I read that it's possible to create transports for specific SMTP
> destinations in the Book of Postfix. I guess I'd need to ask 'can I
> assign a specific interface/IP on a per transport basis?'
>
> Any suggestions or feedback would be gratefully received.
>
> Sam
>
perhaps do it like this ( total untested )
master.cf
smtpaol unix - - n - - smtp
....
-o smtp_bind_address=1.2.3.1
smtpgmail unix - - n - - smtp
.....
-o smtp_bind_address=1.2.3.2
main.cf
smtpaol_destination_concurrency_limit = 2
smtpaol_destination_recipient_limit = 5
smtpaol_destination_rate_delay = 1s
smtpaol_destination_concurrency_failed_cohort_limit = 100
smtpgmail_destination_concurrency_limit = 2
smtpgmail_destination_recipient_limit = 5
smtpgmail_destination_rate_delay = 1s
smtpgmail_destination_concurrency_failed_cohort_limit = 100
transport
googlemail.com smtpgmail:googlemail.com
aol.com smtpaol:aol.com
Best Regards
MfG Robert Schetterer
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