Setting up Authentication for Sending Email View The Full Article Laptop users should set up their mail client to authenticate to Clemsonand39s mail server when sending mail. This will eliminate the need to switch to the host ISPand39s mail server when sending email while offcampus. Questions and problems should be sent to postmasterclemson.edu Eudora Windows Supported From the TOOLS menu, select OPTIONS. From the left pane, select the category GETTING STARTED. Make sure there is a check mark in the box for ALLOW AUTHENTICATION. Select the category CHECKING MAIL. Under Secure Sockets When Receiving, select REQUIRED, ALTERNATE PORT. Next, select the category SENDING MAIL. Under Secure Sockets When Sending, select REQUIRED, ALTERNATE PORT. Click OK at the bottom of the panel. Eudora MacOS Supported From the SPECIAL menu, select SETTINGS. From the left pane, select the category SSL. Under Secure Sockets Layer for SSL FOR POP select REQUIRED ALTERNATE PORT. In the same section change SSL FOR SMTP to REQUIRED ALTERNATE PORT. Select the category SENDING MAIL. Put a check in the ALLOW AUTHENTICATION. When you first check and send mail, you may be prompted to install a new certificate. Accept the new certificate. Microsoft Outlook Supported From the TOOLS menu, select EMAIL ACCOUNTS. Select VIEW OR CHANGE to update. Select your Clemson account and click on CHANGE. Under SERVER INFORMATION use mail.clemson.edu for both incoming mail server POP3 and outgoing mail server SMTP. Log on using Secure Password Authentications SPA should not be checked. Next click on MORE SETTINGS. Select the tab for OUTGOING SERVER SMTP, Put a check in the box for This server requires an SSLsecured connection or My outgoing server SMTP requires authentication. Select the ADVANCED OPTIONS tab. Under Incoming server POP3 put a check in the box for requiring an SSLsecured connection. It should default to port 995. Under Outgoing server SMTP put a check in the box for requiring an SSLsecured connection. It should switch to port 465. If it doesnand39t automatically show up, change it to 465. Click OK. This will return you to the email account settings for this account. Click on the button TEST ACCOUNT SETTINGS. All tests should complete successfully. Pegasus Limited Support Select the TOOLS dropdown menu. Select INTERNET OPTIONS. Select the SMTP HOST tab. Select SMTP host and click the EDIT button. Change the TCP/IP port to 465 if not already there. Click the SECURITY tab and select the VIA DIRECT SSL CONNECT option. In the SMTP Authentication section, select one of the Login into the SMTP Server... options. Provide your userid and password or select the POP3 definition. Click OK. Click OK. Microsoft Entourage MacOS From the TOOLS menu, select ACCOUNTS. Select the Clemson email account in the window by doubleclicking it. Select the tab SENDING MAIL . Click on ADVANCED SENDING OPTIONS. Put a check in the box for SMTP service requires secure connection SSL. Put a check in the box for SMTP server requires authentication. Put a check for Use same settings as receiving mail server. Appleand39s Mail MacOS From the TOOLS menu, select ACCOUNTS. Select SERVER SETTINGS. For the Outgoing Mail Server enter mail.clemson.edu without the quotes. Put a check for the setting Use Secure Sockets LayerSSL. Under Authentication enter your userid and password.