EXIM block emails from/to domain

vim /etc/mail/exim.conf

//--//
domainlist exim_blacklist = lsearch;/etc/mail/exim_blacklist
//--//
begin routers
discard:
 driver = redirect
 domains = +exim_blacklist
 data = :blackhole:

reject_domains:
 driver = redirect
 # blocked by admin
 domains = +exim_blacklist
 allow_fail
 data = :fail: Connection rejected: *.ru source $domain is manually blacklisted.
//--//

Список доменов

vim /etc/mail/exim_blacklist