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Re-configure Your Email Settings to Send Email
If you are having trouble sending or receiving email using your email software (Windows Mail, Outlook, or Outlook Express), you might try switching your outbound port to 587.
 Most common email viruses are sent using port 25 to infect computers. Often times the user never knows their computer has been infected. In order to protect our customers, SCS has turned off the ability to send email using port 25 for all users.

What is outbound port 25 blocking?
Outbound port 25 blocking is a network configuration that prevents computers on the SCS network from connecting to servers outside of our network via this port. Servers outside the SCS network use a method commonly exploited to send unauthenticated, unsolicited e-mail or “spam”.

Why is SCS blocking outbound port 25?
The majority of spam (unsolicited email) on the Internet is caused by malicious software viruses that take control of infected computers. These viruses direct the infected machines to send email through port 25. SCS takes spam very seriously. We block outgoing connections on port 25 to prevent infected computers from being used by spammers to send unsolicited email. Outbound port 25 blocking is a standard industry method to control spam.

How to configure Outlook to use port 587 for sending email:
In order to change your port 25 settings to port 587 in Outlook, you must do the following:
Open your Outlook, select the Tools menu and from the drop-down list select Account Settings.

1. The Account Settings window will open displaying the Email tab. Click to highlight your email account and then select Change.
   
2. From the Change Email Settings screen, select More Settings from the lower right-hand portion of the window.
   
3. From the Internet Email Settings window, select the Advanced tab.
   
4. From the Advanced tab, review the area underneath Server Port Numbers. In the Outgoing server (SMTP) field enter the number: 587.
   
   Once you are finished, select OK.
   
   

After you have completed the above steps for Outlook, you will be configured to use port 587 to send email with much greater safety and protection from spam and viruses.