How does blocking port 25 reduce spam?
• This will help prevent virus-infected computers from sending unsolicited email. • Many viruses use Port 25 to propagate themselves and to spam other users. • Port 25 is setup without authentication (using a username and password) by default. • Open relays often send out from port 25. • How can I check my 3rd party email client settings? * locate your email client in the list below: Outlook Express • Open Outlook Express. • From the Outlook Express Tools menu, click Accounts • Click the Mail tab • Select your email account • In the Properties dialog box, click the Servers tab • Click the Advanced tab • View the Outgoing mail (SMTP) Port Outlook 2000 • Open Outlook 2000 • Click the Tools menu and then click Accounts • Select your email account • Click Properties • In the Properties dialog box, click the Servers tab • Click the Advanced tab • View the Outgoing mail (SMTP) Port Outlook 2002/03 • Open Outlook 2002/03 • On the Tools menu, click E-mail Accounts • Click View or change existi