It’s crazy how often our ticket team hears from users whose own ISP has blocked them!
Users are getting listed, and with ISPs using our data on outbound emails, they’re stuck in a frustrating perpetual loop - and we can’t help them.
If you’re an ISP or email service provider, read our latest blog to learn more and how to prevent this:
https://www.spamhaus.org/resource-hub/dnsbl/a-misuse-of-spamhaus-blocklists-part-1-blocking-outbound-email/
Want to discuss this further? Connect with one of the Spamhaus team, or reach out to us via this social channel.