Validate emails and run bulk jobs: status, reason and action for each address. Unknown is free.
Free
One server, in email. Validate emails and run bulk jobs: status, reason and action for each address. Unknown is free.
Validate emails and run bulk jobs: status, reason and action for each address. Unknown is free.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.