Go to the Contact List tab and access the
desired list. Click on the Add Contacts button on
the left hand menu.
You will be asked to confirm that you have permission from the
recipient(s) to add them to your list. Click on the checkbox and go
to the next step.
Select Salesforce from the left hand menu and
enter the Salesforce username, password, and token. You can also
choose whether the list type belongs in the
Contact or Leads categories.
Tip: Check out these tutorials for a few other options for
importing your list:
CSV File, Highrise, Salesforce, Wufoo and