How do I include the member's password in a welcome email?
If you have chosen to enable it, the password is included by default in the membership level's welcome email. If it has been removed, you can replace the member's password in the welcome email by including the following SmartTag:
Read this article to learn more about creating a welcome email. Click here to view a sample welcome email that uses relevant SmartTags.
NOTE: Although email content sent to members can be viewed in the Activity Log tab of the Manage Members section, the password will appear as asterisks when viewed here, but the full password will be sent to the user in the welcome email. The welcome email is the only place in WordPress the password is allowed to be displayed.