Has Plusnet started blocking SMTP traffic from known spam IPs?
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Has Plusnet started blocking SMTP traffic from known spam IPs?
07-06-2017 5:25 PM
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I run my own mail server and block a lot of spam by using zen.spamhaus.org. Up until about May 26 my mail logs showed about 300 spams per day being blocked. They are now down to about 6 or 7 per day. I'm curious to know if Plusnet are blocking the traffic, as I haven't heard of any spam operations being shut down recently. Of course, they may just be on vacation
Re: Has Plusnet started blocking SMTP traffic from known spam IPs?
08-06-2017 2:08 PM
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I think it would be a fair bet that the reduction in spam you've seen isn't coincidence. Processing the stuff is a major load on the mail routing and storage systems, Freeing those to deal with genuine messages should improve performance.
Re: Has Plusnet started blocking SMTP traffic from known spam IPs?
08-06-2017 3:17 PM
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Hmm, interesting if they have, since my mail goes nowhere near their mail systems. I don't have a problem with it, but there may be some who do. It would be nice to have a policy published somewhere it they are doing such traffic filtering.
Re: Has Plusnet started blocking SMTP traffic from known spam IPs?
09-06-2017 1:39 PM
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Hi @oldblokeh,
I've discussed this with a few colleagues and we don't believe this is anything to do with our side of things.
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