LibraryLine.com Web Services
WebMailPRO - POP3 Access Certificate
  Did You Know?
Free and unlimited technical support Click here to learn more.
Configuring your Email Client for POP3 Access
The WebMailPRO Icon - Symbolic of simple and practical internet E-mail! Our POP3 and SMTP servers include SMTP authentication. This allows you to send out an E-mail message through your mail client (i.e Outlook/Outlook Express) without having to check for incoming e-mail first.

Click here to return to the main WebMailPro page.

Click here to jump to the Windows Vista installation instructions.

Click here to jump to the Outlook 2000 & 2003 and Outlook Express installation instructions.

Click here to jump to the Thunderbird installation instructions.

Click here to jump to the Macintosh OSX / Mail installation instructions.

Note: Outlook 2002 Users

To check what version of Outlook you are using go to the Help > About Microsoft Office Outlook. If you are using Outlook 2002 your SMTP port will remain port 25 and NOT port 465. All other settings will remain the same.

Settings for your E-Mail Client

POP3 server: pop3s.k12us.com
SMTP server: smtps.k12us.com

POP3 Port: 995
SMTP Port: 465

Please Note: If you have a Firewall at your school district, ports 995 and 465 must be open to go to 8.36.78.0/23 and 8.36.78.1-8.36.79.254. Please see your school's Network Administrator to ensure that these ports are open.

Windows Users

To determine if your firewall is blocking the above mentioned ports, please run the following tests on your computer:
In Windows go to Start > Run

Type in: cmd and click Ok

In the pop-up window type in the following: telnet pop3s.k12us.com 995

Hit the Enter key

Wait around 40 seconds

If you receive a time out error then your firewall is blocking Port 995

To run the next test you can either click on CTRL+] and then type in quit and click on enter (to bring the command prompt back) or you can close out the window and go back to Start > Run

Type in: cmd and click Ok

In the pop-up window type in the following: telnet smtps.k12us.com 465

Hit the Enter key

Wait around 45 seconds

If you receive a time out error then your firewall is blocking Port 465

Note - If only a few computers in your network are having this issue then please check for a personal firewall. Windows XP users should check their Windows Firewall settings under Security Center.

Mac OS X Users

If you are using the Firewall in Mac OS X, you will need to allow traffic through ports 995 and 465.

Open the System Preferences Control Panel.

Click on the Sharing icon.

Select the Firewall button.

Click on the New... button.

Select Other for the Port Name.

Enter 995, 465 into the Port Number, Range or Series field.

Enter K12USA into the Description.

Click OK.

Make sure the On checkbox is checked next to the rule.

Instructions To Download and Install the SSL Certificate For Windows Vista

You must use Internet Explorer 6 or 7 to download the certificate.

Download the Certificate

Click here to download the SSL Certificate from our servers.



When you click on the link a box will appear. Click the Open button.



Click the Allow button.



Click the Install Certificate... button.



Click the Next > button.



Click the radio button for Place all certificates in the following store, then click the Browse... button. This will open the Select Certificate Store dialog box. Select the Trusted Root Certification Authorities folder then click OK.



Click the Finish button.

Instructions To Download and Install the SSL Certificate For Outlook 2000 & 2003/Outlook Express

You must use Internet Explorer 6 or 7 to download the certificate.

Download the Certificate

Click here to download the SSL Certificate from our servers.



When you click on the link a box will appear. Click the Open button.



Click the Install Certificate button.



Click the Next button.



Select "Automatically select the certificate store based on the type of certificate."

Click the Next button.



Click the Finish button.



A Security Warning box will appear. Click the Yes button to install the certificate.



Click the OK button when the confirmation of installation screen appears.



Click OK the close the Certificate box.

The SSL Certificate has now been installed and can be used by Outlook 2000 & 2003 and Outlook Express.

To Configure Outlook 2000 & 2003

Click the Tools menu, and select E-mail Accounts.

Select View or Change existing E-Mail Accounts, and click Next

Select your POP3 account and click on Change



User Information

   Your Name: Leave as is
   Email Address: Your WebMailPRO email address

Server Information

   Incoming mail server (POP3): pop3s.k12us.com
   Outgoing mail server (SMTP): smtps.k12us.com

Login Information

   User Name: Your WebMailPRO email address
   Password: Your service login password

Click More Settings... and then click the Outgoing Server tab.



Check the box next to My outgoing server (SMTP) requires authentication and select Use same settings as my incoming mail server.



Click the Advanced tab, and check the box next to This server requires an encrypted connection (SSL) under Incoming Server (POP3).

Check the box next to This server requires an encrypted connection (SSL) under Outgoing Server (SMTP).

Make sure the Port Number for your Incoming Server (POP3) server is 995 and the Port Number for the Outgoing Server (SMTP) server is 465.

Click OK.



Click Test Account Settings... After receiving Congratulations! All tests completed successfully, click Close.

Click Next, and then click Finish.


To Configure Outlook Express

Pick Tools > Accounts



In the Window that pops-up, select your POP3 account and select Properties

Click on the Servers tab and change



Server Information

   Incoming mail server (POP3): pop3s.k12us.com
   Outgoing mail server (SMTP): smtps.k12us.com


Incoming Mail Server

   Account Name: Your WebMailPRO email address
   Password: Your service login password

Under Outgoing Mail Server click on My Server requires Authentication

Click on the Settings Button



Select Use same settings as my incoming mail server

Click on OK



Click on the Advanced Tab

Check the box next to This server requires an encrypted connection (SSL) under Incoming Server (POP3).

Check the box next to This server requires an encrypted connection (SSL) under Outgoing Server (SMTP)

Make sure the Port Number for your Incoming Server (POP3) server is 995 and the Port Number for the Outgoing Server (SMTP) server is 465.

Click OK.

Click on Close

Send out a test message

Back to top

Instructions To Download and Install the SSL Certificate For Thunderbird

You must use Firefox or Mozilla to download the certificate.


Click here to download the SSL Certificate from our servers.



In the box that appears, check all three boxes:
   "Trust this CA to identify web sites."
   "Trust this CA to identify email users."
   "Trust this CA to identify software developers."


Click the OK button.

The certificate will install itself. Thunderbird will now be able to use the certificate.

Back to top

Instructions To Download and Install the SSL Certificate For Macintosh OSX / Mail

Click here to download the SSL Certificate from our servers.



Double-click on the Certificate.

In the box that appears, select X509 Anchors from the Keychain list.

Click the OK button.




View the attributes of the keychain after it has been installed, and make sure that the Always Trust option is chosen in the drop-down.




This is how the account information should look for a k12usa POP3 access account in the Mail program.




This is how the Server settings should look.




This is how the advanced settings should look.


Back to top


LibraryLine.com ©1999-2024  Networks & More! Inc.
Contact us!     Call Toll-Free 1-877-225-0100     Site Map     Privacy Policy