How to Change E-mail Port Settings

Instructions for various e-mail clients

Mozilla Thunderbird ®

In version 1.5x, go to:
Tools » Account Settings » Outgoing Server (SMTP).
From the list, select (highlight) the server you want to change and then click Edit.

To change the POP server port, first right-click the email address you want to change under "Name" in the left column.  Left-click Properties in the popup menu.  Then another left-click on Server Properties.  At the upper right is the POP port number.

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Eudora ®


Eudora for Windows

Unfortunately, there is currently no interface setting for changing port numbers yet in Eudora for Windows.  However, it's easy to edit the configuration file directly.

First, close Eudora completely.  Then navigate to the folder on your computer where Eudora is installed.
(Typically in Windows, this is C:\Program Files\Qualcomm\Eudora\ but your installation may vary.)

Find the eudora.ini file, and open it in Notepad or any plain-text editor.

NOTE: If you're uncomfortable about doing this, first make a copy of the .ini file and call it OLDeudora.ini.  Then edit the original.  This way if you encounter an error, you can always put the old one back.

To change the port for your Outgoing server, find the line:
SMTPServer=[your SMTP server address]

Just after it, add:
SMTPPort=2025
(exactly like that, on its own line)

Repeat for each of your Crosswinds accounts which you check in Eudora.

If you also check addresses which are hosted elsewhere, like your ISP account(s), type SMTPPort=25 after each of those, in order to use the default SMTP ports for those accounts.

Save eudora.ini, and you're done.

Eudora for the Mac

Menu bar: Special » Settings
Go to "Sending Mail"
Click "Use submission port ( )"
You should be able to edit or add a new port number there.

Also there is a well-written User Manual in PDF format for the Mac, with a linked index at the end.

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Microsoft Outlook Express ®

Although they are different programs, Outlook Express (part of Microsoft Windows) and Outlook (part of Microsoft Office) now have similar settings interfaces. We've kept the instructions for each on this page separate, in case future versions differ again. This section is for Outlook Express 6.x, currently bundled with Windows XP, and available by download to users of older versions of Windows.

Go to:
Tools » Accounts

Select (highlight) the account you want to change, then click the "Properties" button on the side.

Go to the "Advanced" tab at the top of the Properties box.

Change the port number in your outgoing (SMTP) connection settings to 2025.

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Microsoft Outlook ®

Go to:
Tools » Accounts

Select (highlight) the account you want to change, then click the "Properties" button on the side.

Go to the "Advanced" tab at the top of the Properties box.

Change the port number in your outgoing (SMTP) connection settings to 2025.

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Pegasus Mail

Instructions forthcoming.

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Other Programs

Using an e-mail program not listed here yet?  Please drop us a note and request (or provide) instructions for your e-mail client, and we'll add it.

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