Thunderbird Secure Connections

March 11, 2010 Mail Client

Thunderbird Client Configuration
Client configuration can be just as big of problem as the set up for the server.  One of the problems is that not all clients, both Linux and Windows, are capable of handling TLS or SMTP AUTH.  That is getting better but it is still a problem.  One great alternative client is Thunderbird, Icedove if you are on Debian.  Here is a step by step approach to setting up  the Thunderbird client for TLS and SMTP AUTH.

Create an account.

Enter a name for the account and the email address you want to use.

In the example, IMAP is the server of choice.  This allows you to retrieve mail and also leave the mail on the server so you could share accounts.  An important setting is the “Incoming Server”.  Make sure you enter a FQDN (Fully Qualified Domain Name) which means it must have a hostname and domain name.

Now configure an incoming user name.

Check your account settings, one important setting is the “Outgoing Server” at the end of the file.  The “Outgoing Server” is the server that will authenticate the mobile user and allow you to send email through the mail server.

If you do not have anything set for the ”Outgoing Server” just skip down in the tutorial to see how to set it up.

The “Server Settings” is how you will retrieve mail.  Note that the server  is listening on port 993 so that it is secure, IMAPS.  Also note to select SSL in this setting so the port is changed.

Here is how to configure the “Outgoing Server”.  Note the port number, the User Name that you will authenticate with and that TLS is selected.

If your mail server and client are configured correctly you will be able to send and receive mail, securely

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