IP Address
PHP
How do I reverse an IP address for use in DNS BL?
Here’s a small function in PHP 8.3 that reverses an IPv4 address: Explanation: This ensures the function works safely and as expected.
Dribble
ESPs: Why IP and Domain Reputation Matter and How to Manage Them
As an email service provider (ESP), your aim is to maintain a safe and trustworthy network for email senders (and their recipients) while ensuring they achieve high deliverability rates. A task that is no mean feat when you’re servicing a bank of customers with hundreds of thousands of IPs and domains – each with a […]