Outlook 2002/XP/2003
Go to: Tools > Email Account
Select: View/Change and press next
Double click on your account to change the settings
Change your Outgoing Mail Server (SMTP) to: smtp.revealsystems.net
Step by Step Instructions with Pictures

Outlook Express
Go to: Tools > Account
Double click on your account to change the settings
Select the "Servers" tab and change Outgoing Mail (SMTP) to: smtp.revealsystems.net
Step by Step Instructions with Pictures

Mac Mail
Go to: Mail > Preferences
Select the Accounts tab and select the Outgoing mail Server (SMTP) Server Settings s
Change Outgoing Mail Server to: smtp.revealsystems.net
Change your Outgoing Mail Server (SMTP) to: smtp.revealsystems.net
Step by Step Instructions with Pictures

Mozilla Thunderbird
Go to: Tools > Account Settings
Select the Outgoign Server settings section
Click Edit and Change Server name to: smtp.revealsystems.net