Forwarded mail can be more trouble than it’s worth – especially when it’s done without checks, validation, or spam filtering. Typos, spamtraps, and forged senders can quickly snowball into blocklistings and delivery failures. In this second part on mail relays, we dive into the mess forwarding can cause, and what you can do to avoid it.
First seen on securityboulevard.com
Jump to article: securityboulevard.com/2025/05/mail-relays-part-2-problems-with-forwarded-mail/
