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34764170

join:2007-09-06
Etobicoke, ON
reply to squircle

Re: SMTP Servers?

said by squircle:

In my archive of around 2 million spam messages, 77% (±2%) have originated from dynamic, ISP-assigned IP addresses (nothing close to "nothing practically").

Obviously this can vary from server to server for a number of reasons but this is what I was expecting.

said by squircle:

Most customer-facing email servers I've run into accept mail on the submission port (587), including Google's and Microsoft's.

As any properly configured and administered mail server should be, it has only been a standard for over a decade.


sbrook
Premium,Mod
join:2001-12-14
Ottawa
kudos:13
Tell that to some Canadian ISPs ... I left one for precisely this reason. They would not open port 587, telling me to get Rogers to lift the block. Yeah, right.

34764170

join:2007-09-06
Etobicoke, ON
said by sbrook:

Tell that to some Canadian ISPs ... I left one for precisely this reason. They would not open port 587, telling me to get Rogers to lift the block. Yeah, right.

Some ISPs mail server setups are a joke and they don't know what they're doing. I'm not impressed with TSIs mail server setup either. But that is also why I said properly.