To import addresses from a MySQL database:

Select the group you want to import addresses into.

Choose Addresses > Import...

Click the Import From pop-up menu and choose MySQL Database.

Type the address of the MySQL server, user name, password, database name, and the SQL query.

Type the number of columns you expect to be returned when the query is executed.

In the Columns table, choose which columns from the query's result that you want to import.

Click Import.