From: Anders Norrbring (listsnorrbring.se)
Date: Mon Jan 28 2008 - 12:53:02 CST

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Terry Carmen skrev:
> Anders Norrbring wrote:
>> Hi!
>> I'm facing a major remodel of my systems due to a very restrictive ISP.
>> They've suddenly announced that they'll block all traffic on port 25,
>> which will have a huge impact on my 30-domain, 400 mail account
>> systems...
>>
> If they're blocking 25 ,it means they don't want to handle mail traffic,
> and whatever you do, even if it works, is likely to really annoy them,
> and may cause them to simply disconnect you at an inconvenient time.

You're wrong on both counts. They block 25 to "protect their users
against SPAM". And I'm welcome to run whatever I want, it's verified and
settled, but their configuration doesn't allow for opening ports on a
client-to-client base.

> Although probably not what you're looking for, I'd suggest finding a new
> ISP.

Unfortunately that's not an option at that address until summer when I
get my gigabit fibre re-routed.

Anders.

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