> Postfix will log all rejections AND BOUNCE permanent errors or queue
> expiration ($maximal_queue_lifetime) mails. You also need some means
> of handling the bounces.

Could you elaborate on "some means of handling the bounces"?
A more directed question I have in that area is this.  If I try to
send, and the far end receives the mail no problem, but then at a
later time - say, some minutes later after my server has said "ELOH"
or whatever it is - how does the far end decide where to send the
bounce?  Will it do an MX lookup for the domain?  In which case at
present it will not find my Postfix server because I have no MX for
it.   Or will it remember my IP somehow, and bounce back there?

> Seriously, the main thing to avoid being considered a spammer is to
> not send spam! That's all about your list management practices, and
> has little to do with how you set up your mailer. If you are sending
> UBE, you will (and should be) considered a spammer.

We're currently having issues with Yahoo.  We DO NOT send UBE.  But
invariably, every time you make something "idiot proof", the world
invents a better idiot.  We do have users who report us as spam for
some odd reason.  Our service is actually "white label" and people
normally get it as a resold service from their financial institution.
But the email comes from us, not from their institution.   Well, we've
just switched back to that model completely at my recommendation (I'm
new here) because what we'd been doing before is that for some
institutions we'd make the mails look like they came from that
institution, but we did not do it in a very intelligent manner so they
did have a spam footprint. (Duh!!!)

> If you need help with that, the Spam-L mailing list can help:
>   http://spam-l.com/

Thanks.

> Google this mailing list for similar questions from similar bulk
> senders. It comes up regularly.

I'll try google.  I did look at the archives before sending this, but
did not find a search for it.  Guess I should have been smart enough
to use google for that though :-/

> You're probably already on feedback loops with major receivers,
> right? They might need to know that you're changing your mailer and
> source IP address.

That's another problem I've been  having - trying to get the attention
of the big guys.   I've tried to contact Yahoo in the past with no
luck.  Though just tried again last week and finally got a response
from them - if bulk.  But at least it has some info on how I take the
next step so I'm going through that.

Somewhere in your response you alluded to an MX record for this new
postfix box.  I do not currently have one set up.   Should I?

Thanks - I'll go digging in the archives to see what I can turn up.
And will ask more questions in this thread if need be.




-- 
“Don't eat anything you've ever seen advertised on TV”
         - Michael Pollan, author of "In Defense of Food"

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