[Exim] Reject certain HELO arguments

Hello everyone,

is exim able to reject certain HELO/EHLO arguments?

Particularly, I don't want my mailserver to talk to hosts that introduce
themselfes as "localhost" or even my mailserver's hostname.

I don't want to use helo_verify, though.






Exim version 3.36 debug level 1 uid=0 gid=0
Berkeley DB: Sleepycat Software: Berkeley DB 2.7.7: (08/20/99)