Updates, news and developments from hosting, security and Internet infrastructure.
Email
Not every failed email has the same cause. A permanent bounce, a temporary deferral and a message placed in spam describe very different delivery outcomes.
Email
A dedicated sending IP is not automatically better than a shared one. Reputation depends on sending volume, consistency, complaints, bounces…
Email
Inbox placement depends on much more than whether a message is technically valid. Authentication, sender and IP reputation, complaint rates…
Email
SMTP is designed to cope with temporary delivery problems. When a destination returns a temporary failure, the sending server normally queues the…
Email
SPF, DKIM and DMARC solve different parts of the sender-authentication problem. SPF checks whether the sending infrastructure is authorized, DKIM…
Email
The aim is to connect the technology with everyday operational decisions. Mailbox providers evaluate more than message content.
