netstat -ln | grep 431 threw up a complete blank! but netstat -l | grep -i imap threw up: tcp 0 0 *:imaps *:* LISTEN tcp 0 0 *:imap2 *:* LISTEN but i'm not sure what this means -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.4.0 - Release Date: 22/02/2005