1. Go to the "Settings" panel and create a POP, APOP or IMAP account.

Enter your:

Host address: The address of the incoming mail server associated to your account.
Type: The type of server, POP, APOP or IMAP.
Security: The security level. Note that the server has to support that security level as well.
User ID: The User ID to be used when authenticating with the server.
Password: The Password to be used when authenticating with the server.
Mailbox: The mailbox to process (IMAP only).

2. Note that you can create as many accounts as necessary using the account pull-down menu.

Check 'Check for new bounces every' to set a repeating scheduled connection from 1 to 60 minutes.
Check 'Skip messages greater than' to set a message size threshold. Messages bigger than given value in bytes will be discarded.
Check 'Remove bounces from server' in order to remove bounces from your server once processed.
Check 'Mark E-mails for deletion when more than' to set bounce threshold in order to auto-check extracted addresses for exportation.

eMail Bounce Handler checks each available message from the given source using all active rules. If one or more rules are met, the message is processed, the email address is extracted and added to the bounce list. If the address is new, a new entry is created. If the address already exists, the count column (on the right) is incremented. If that count reaches a selected threshold the address is checked for exportation.Free to try it.