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From Grant Taylor <>
Subject Re: Dynamic clients
Date Tue, 29 May 2018 15:57:42 GMT
On 05/29/2018 06:31 AM, Rupert Gallagher wrote:
> We reject e-mails from both dynamic and unknown domains, and feed the 
> firewall with their CIDRs. The resulting blacklist includes 919 CIDRs, 
> and keeps growing by itself. It is all automatic. I think ISPs should do 
> this filtering, even if the EFF would scream like Donal Duck in favour 
> of net neutrality.

I thought it was considered best practice for ISPs to do egress SMTP and 
NetBIOS filtering, and ideally ingress NetBIOS filtering.

I am okay with this being the default as long as it's well communicated 
and there is a relatively easy way for subscribers to opt out of it.

Grant. . . .
unix || die

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