Microsoft Outlook and Outlook Express

1. In Outlook, drop down the Tools menu
2. Choose Accounts or Email Accounts
3. View or change existing e-mail accounts should be marked
4. Click Next
5. Select the account and click Change
6. Select More Settings
7. In Outlook Express, drop down the Tools menu
8. Choose Accounts
9. Select the account and click Properties
10. Click on the Advanced tab
11. Change the outgoing mail from port 25 to port 26
12. Make sure that the box that says This connections requires a secure connection(SSL) is NOT checked
13. Click OK
14. Restart Outlook

Mozilla 1.x

1. Launch the Mozilla mail client
2. Drop down the Edit menu, and choose Mail and Newsgroup Account Settings
3. Click Outgoing Server (SMTP)
4. On the right hand side next to server name it should say Port: 25
5. Change that number from 25 to 26
6. Click OK
7. Restart Mozilla

Netscape 7.x

1. Launch the Netscape mail client
2. Drop down the Edit menu, and choose Mail and Newsgroup Account Settings
3. Click Outgoing Server (SMTP)
4. On the right hand side next to server name it should say Port: 25
5. Change that number from 25 to 26
6. Click OK
7. Restart Netscape

Netscape 4.x

1. Launch Netscape
2. Drop down the Edit menu, and choose Preferences
3. Expand Mail and Newsgroups by click the + sign
4. Click Mail Servers
5. On the right side change the Outgoing Mail Server: from mail.yourdomain.com to mail.yourdomain.com:26
6. Click OK
7. Restart Netscape

Eudora for Windows

1. Navigate to your Eudora install directory.
2. Look in the Eudora directory for the directory "extrastuff".
3. In this directory is a file named "esoteric.epi". Drag (copy or move) this file into the main Eudora directory. There will now be options extra listed, including a Ports page.

1. Launch Eudora
2. Drop down the Tools menu, and choose Options
3. Click on Ports
4. Change the port from 25 to 26
5. Click OK
6. Restart Eudora

Apple Mail for Mac

1. Launch Apple Mail
   
2. Drop down the Mail menu, and choose Preferences
3. Click on the Accounts tab, and then select the email account from the list on the left
4. Pull down the Outgoing Mail Server (SMTP) menu and select Edit Server List
5. Click on the mail server in the list to change and select the Advanced button
6. Select Use custom port and enter 26 in the open field
8. Click OK
9. Restart Apple Mail
   

Eudora for Mac

As above, Eudora has hidden the ports option in version 6.0 and up. If you have purchased Eudora, we suggesting contacting them about this, as there is no reason to make this difficult. To change the outgoing mail port from 25 to 26:

1. For version 6.0 and up, quit Eudora and look in the Eudora Application Folder for the folder "Extras". In this folder is a file "Esoteric Settings". Drag this file into the "Eudora Stuff" folder,
2. Launch Eudora
3. Drop down the Special menu, and choose Settings
4. Click on Ports and Protocols
5. Change the port from 25 to 26
6. Click OK
7. Restart Eudor

Entourage

1. Launch Entourage
2. Drop down the Tools menu, and choose Accounts
3. Click on Mail , and go to Properties
4. Click Advanced Sending Options
5. Make sure the box that says "This POP service requires a secure connection" is unchecked
6. Check the box that says "Override default SMTP port:" and enter in port 25
7. Click OK
8. Restart Entourage