Blocking Users in Sendmail

Instructions

1. Go to ‘/etc/mail’
2. Put a line in ‘/etc/mail/access’ along the lines of ‘email address DISCARD’
3. Update table ‘makemap hash access.db < access’

Example

1. Browse to folder

      cd /etc/mail
      

2. Edit access vi access

      # joebloggs@example.com - email address being blocked
   
      # due to being invalid
   
      joebloggs@example.com               DISCARD
      

3. Update table

      makemap hash access.db < access