perl -pi -e 's/# Specify your host/av_scanner = clamd\:127\.0\.0\.1 3310\n\n# Specify your host/' /etc/exim.conf
perl -pi -e 's/check_message\:/check_message\:\n warn message = X-Antivirus-Scanner\: Scanning e-mail on known viruses.\n deny message = This message contains malformed MIME (\$demime_reason)\n demime = \*\n condition = \$\{if >\{\$demime_errorlevel\}\{2\}\{1\}\{0\}\}\n deny message = This message contains a virus or other harmful content \(\$malware_name\)\n demime = \*\n malware = \*\n deny message = This message contains an attachment of a type which we do not accept \(\.\$found_extension\)\n demime = bat\:com\:pif\:prf\:scr\:vbs\n warn message = X-Antivirus-Scanner\: E-mail found to be clean, though you should still use Antivirus!/' /etc/exim.conf