On 2021-12-21 15:38, White, Daniel E. (GSFC-770.0)[NICS] wrote:
How do I stop junk like…HELO example.com … without having to create a huge "check_helo_access" table ?
you should only prevent forged helo, not random helo reject if myhostname is used in ehlo is safe, the others is just random
