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Re: [ietf-smtp] EHLO domain validation requirement in RFC 5321

2020-10-04 16:46:23
In article 
<945d2baf-c5a9-fb9e-4563-93dff1824102(_at_)network-heretics(_dot_)com> you 
write:
*  Do not host your email system ‘in the cloud’
I'm not sure what this actually means or why it's still a bad idea.   
Cloud hosting makes a lot of sense for various reasons.

It's a bad neighborhood, since you can expect your neighbors to be
poorly managed botted spam-spewing web servers. It varies by cloud
provider but the median is pretty bad.

*  Make sure that your IP address is not listed in the PBL

I suspect that this is something that sites will have less and less 
control over in the future, ...

It would likely be helpful to spend a few moments reading about what
the PBL is. "Less and less control" is very unlikely.

*  Accept reports of problems with your systems
Is there a more recent standard for doing so than postmaster@?

Um, RFC 2142 published 23 years ago.

R's,
John

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