resources

THE CLEAN

SEND LIBRARYduck

Guides on deliverability, list hygiene and sender reputation, written like humans, not help docs.

FEATURED GUIDE

THE 2026 GUIDE TO NOT LANDING IN SPAM

What bulk senders need in 2026: SPF, DKIM and DMARC that align, one-click unsubscribe, complaint rates under 0.3%, and the list hygiene that holds it all together.

Read the guide → 14 min, worth every one
new for
2026
inbox placement
98.2%after ✦
71%before · spam folder ate the rest
the newsletter

ONE CLEAN EMAIL A MONTHduck

Deliverability tips worth opening. No spam. That would be embarrassing for us specifically.

lovely! you're on the list (a very clean one) ✦
duck from: hello@scrubbed.email opens itself, basically