If the POP(3), SMTP or IMAP port is already used by another program,
you need to change that port numbers. The default values are:
POP(3) - 110
SMTP - 25
IMAP - 143
It is necessary to change that that ports, otherwise avast! can scan
your mail - you can increase the numbers e. g. by one.
1) Close Outlook Express
2) In Notepad open the file AVAST4.INI (it is in
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\DATA)
3) Into the section [MailScanner] insert these rows (or change them,
if they already exist):
SmtpListen=127.0.0.1:26
PopListen=127.0.0.1:111
ImapListen=127.0.0.1:144
4) Save the file
5) Start Outlook Express
6) Choose TOOLS -> ACCOUNTS
7) Select your mail account and press PROPERTIES
8) Select ADVANCED
9) Change the port numbers to the same values as in step 3)
10) Confirm changes
11) Restart your computer