Spamhaus have released their guidelines for senders.
It’s very clear, very precise and generally very good.
Overview: https://www.spamhaus.org/resource-hub/deliverability/spamhaus-sender-guidelines/
For senders: https://www.spamhaus.org/sender-guidelines/
For ESPs and large senders: https://www.spamhaus.org/sender-guidelines/esp-large-senders/
Over the last few years I’ve reduced the complaints I send to ESPs about their customers to almost nothing. The only companies I send complaints to are ones where I actually know folks inside the compliance desk, and I almost never expect action, I just send them as professional courtesy.
These last few years have been something, huh? Something had to give and, in my case, that something was blogging. There were a number of reasons I stopped writing here, many of them personal, some of them more global. I will admit, I was (and still am a little) burned out as it seemed I was saying and writing the same things I’d been saying and writing for more than a decade. Taking time off has helped a little bit, as much to focus on what I really want to talk about.
Read MoreMuch of the current deliverability advice focuses on a few key ideas:
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