smtp_block option check

  1. bhawanisingh

    How to check SMTP_BLOCK option in server firewall on CentOS Linux System ?

    SMTP_BLOCK option help to prevent spam email abuse on a CentOS Linux server that bypasses exim and sends spam emails out through port 25. By enabling this option on server you can bind the spammers to send out spam emails using socket connection from your server using any web scripts as it will...
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