Test SMTP block (sshguard, fail2ban)
I used the following script to test brute-force protection: #!/usr/bin/php <?php for( $i=0; $i<99; $i++ ){ echo "Will try now. \n"; $mbox = imap_open("{mail.mailserver.com:143/imap/novalidate-cert}INBOX","user_test_$i","foobar",0,0); } ?> Edit: You will…