Hi,
On Sat, Feb 4, 2012 at 8:10 PM, <[email protected]> wrote:
> I just build my qmail-toaster box for my sharing host business. But Im trying
> to protect the IPs we use for send customers emails under no more than 300/h.
> Since I have 90 users on that box and some users have like 10 emails each, I
> really need a way to protect the main IP.
I'm wondering: what does limit you for sending more than 300 mails per
hour -- your ISP? And how does they do this -- is your ISP perhaps
blocking all other SMTP traffic from you than their own and they
somehow limit this smart host connection? Could you maybe ask them to
make an exception with your server, so you can make direct SMTP
connections to the MX hosts you are delivering messages to, so you
won't have to use your ISP's SMTP server as a smart host?
Or are you just afraid that if you relay your customers email you will
get blacklisted because of spam they might send? For this I would
rather see the solution being preventing them sending spam than
changing IP addresses: forcing them to use authentication is the first
obvious step.
Best,
Peter
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