[RndTbl] Shaw now blocking SMTP port 25

Sean Cody sean at tinfoilhat.ca
Wed May 23 10:33:08 CDT 2007

What he said.

Look at the situation from their perspective, this is the literally  
cheapest way to solve a problem and this will only affect a small  
minority of their customers.
While this annoys me I understand it, though it would be nice to  
request that the block be removed without having to pay a 'business- 
class' premium.

The general rule of thumb is to always use the DNS and SMTP relay of  
your immediate upstream provider anyways.
If it is a privacy issue then there are easy ways (for the  
technically savvy) around it (ie. -L25:

Was there any notification of the change?
I don't see my bill anymore and have never used their mail system so  
I can't assume they just didn't go all commando.
If there was no notification then I'm very sad and wonder why they  
have such terrible administration policies.

On 23-May-07, at 7:14 AM, Shawn Wallbridge wrote:
> While I agree it is inconvenient, I would have to disagree that it  
> is nonsense or 'net bigotry'. After watching my mail server logs, I  
> honestly have to say that I wish _All_ ISP's did this to some  
> extent. The fact that probably 50% (if not more) of the spam  
> hitting my mail servers comes from consumer DSL/Cable lines is  
> reason enough to block it IMHO.
> Being both a SysAdmin and operating a hosting company, it is a pain  
> for me to explain to  clients how to send mail with Shaw or MTS's  
> (or SBC or whichever ISP they are with) SMTP server and receive  
> mail with my POP/IMAP servers, I still think it's for the better.
> And I am with Shaw, but I have been using an SSH tunnel to check my  
> mail for a few years now, so it's no big deal to me.



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