Scanning Gmail POP3 + Thunderbird for viruses

I’ve been using Gmail POP3 and Thunderbird for a while, until I realize my current antivirus software is not checking the mail that I received and sent.
So I start searching the Internet and found out that my current antivirus software has compability issues with Thunderbird. You can check it in this link.

Fortunately I have Avast! installed in my PC (I work all this thing in my laptop). So I uninstall my current antivirus software and install Avast!

I play around with Avast! configuration so it could scan my incoming and outgoing email from Gmail. But I have no luck. So I start searching again and found the solution in Avast! Web Forum. And this is how it’s done!

Software that I use:
Mozilla Thunderbird 1.0.2
Avast! 4.6 Home Edition
Win32 OpenSSL
Stunnel 4.10
and of course a Gmail account

1. Install Mozzila Thunderbird
2. Set up a new account in Mozzila Thunderbird

   In POP setting use this:
   login: yourlogin@gmail.com
   server: 127.0.0.1
   port: 10995
   security protocol : none (“secure connection (SSL)” unchecked and “secure authenticate” unchecked)

   In SMTP setting use this:
   login: yourlogin@gmail.com
   server: 127.0.0.1
   port: 10587
   security protocol : none (“secure connection” : “none” checked)

3. Install Avast! 4.6 Home Edition
4. Install Win32 OpenSSL
5. Put the stunnel-4.10.exe in any directory. I put it in C:\stunnel
   Create a new file with notepad and named it stunnel.conf
   The content of the stunnel.conf is like this:

   client=yes

   # POP3 service, listens on localhost:10995
   [gmail-pop3s]
   accept=127.0.0.1:10995
   connect=pop.gmail.com:995
   #or the SSL port of your Secure POP server if you use another service.

   # SMTP service, listens on localhost:10587
   [gmail-smtps]
   accept=127.0.0.1:10587
   connect=smtp.gmail.com:587
   protocol=smtp
   #or the SSL port of your Secure SMTP server if you use another service.

   don’t forget to save the file

6. Find a file avast.ini in Avast! installation directory.
   Find the mail scanner section and edit it like this:

   [MailScanner]
   Log=20
   ShowTrayIcon=1
   AutoSetProtection=0
   PassThrough=1
   Trust=127.0.0.1
   AutoRedirect=1
   StartSmtp=1
   StartPop=1
   StartImap=1
   StartNntp=1
   PopRedirectPort=110,10995
   SmtpRedirectPort=25,10587
   ImapRedirectPort=143
   NntpRedirectPort=119
   IgnoreLocalhost=0
   IgnoreAddress=

   save the file and done

Now your incoming and ouotgoing mail from Gmail that POP-ed using Thunderbird will be scan for viruses by Avast!