Spam Traps: Pristine, Recycled, and How Clean Senders Still Hit Them
Spam traps are addresses that never belonged on your list. The types, who operates them, how they end up in your database, and the hygiene that keeps them out.
#Double Opt-In
3 articles with this tag
Double Opt-In: Why It's Worth the Drop in Sign-Up Rate
Double opt-in cuts sign-up volume by 20–30%. Here is why the deliverability and list quality trade-off almost always favours confirmation anyway.
Subscription Bombing: When Your Signup Form Becomes a Weapon
Attackers use unprotected signup forms to bury a victim's inbox in confirmation mail. How the attack works, why your domain absorbs the damage, and how to close the door.