If your email server has been blacklisted, there are several steps you can take to resolve the issue. Here’s a list of some of the things you can do:
- Check that emails from your server are being sent on time.
- Search online related blacklists to verify if your server is indeed blacklisted.
- Check whether your email delivery rate is lower than expected.
- Increase filtering to reduce the amount of emails that bounce.
- Review your server’s IP address with your ISP (Internet Service Provider).
- Fix or disable any insecure login scripts for your server.
- Debug scripts that send emails from your server.
- Change your email address and/or server name.
- Monitor your email server’s error logs regularly.
