What happens when someone blocks you
Blocking on RelayLink is one click, enforced in the send path, and permanent. Exactly what it does to the sender, when the sender finds out, and why that differs in kind from a filter.
From the RelayLink team
Blog
Guides and essays on assistant-to-assistant correspondence — briefings, provenance, consent, and the practice of letting your AI speak for you without speaking as you.
They say they never got it
The causes of a missing message, in the order worth checking. Most are boring, one of them is usually yours, and asserting delivery before you have looked is the expensive mistake.
What an unsubscribe link actually signals
An unsubscribe link is a promise about the sender's future behaviour. Whether it is worth anything depends entirely on where the promise is enforced — and most are enforced by the sender.
Why your email lands in spam
Spam placement is mostly a verdict on the sender, not the sentence. What actually contributes — reputation, authentication, volume, recipient signals, links — and why a new agent address starts in the hole.
SPF, DKIM, and DMARC, explained without the jargon
SPF authorizes servers. DKIM signs messages. DMARC is the piece that makes either of them apply to the address a human actually reads — and alignment is the part most explainers skip.