block send exim

Create a file named /etc/eximblacklist and add the domains to block


WHM >> Exim configuration editor >> Advanced Editor.

"#!!# cPanel Exim 4 Config"

    domainlist exim_blacklist = lsearch;/etc/eximblacklist

    add inside the section under "ROUTERS CONFIGURATION "

    reject_domains:

    driver = redirect
    # RBL Blacklist incoming hosts
    domains = +exim_blacklist
    allow_fail
    data = :fail: Connection rejected: SPAM source $domain is manually blacklisted.

    Save the configuration and see the exim error log. You can see the domain blocked.