The description of the variable email prefix says: The [label] used in the subject of emails. It will default to ‘title’ if not set. We’ve found that setting email prefix replaces the variable site title throughout the email message including the message body.
Our site is called LibraryTalk, but we would like to use [LT] in subject lines to keep them as short as possible. Setting email prefix to LT leads to a Signup message like this:
Subject: [LT] Confirm your new account
Welcome to LT!
Click the following link to confirm and activate your new account:
How can we use an abbreviation in the subject line but use the site title in the body of email messages without editing every email template?