is not work check email.

is not work check email. [email protected] valid
[email protected] say valid but is not valid..

because the server responds:
550 5.1.1 <[email protected]>: Recipient address rejected: compart.com.br


Can be several reasons:
1. Recipient address rejected: Greylisted for
2. Recipient address rejected: Your emails has been returned because the in…t’s email account has been suspended. The account must be re-activated to receive incoming messages.
3. Recipient address rejected: Your emails has been returned because the intented recipient’s email account has been suspended. The account must be re-activated to receive incoming messages.
4. Recipient address rejected: The intended recipient is not defined in domain.
5. Recipient address rejected: User unknown in local recipient table
6. Recipient address rejected: User unknown in relay recipient table
7. Recipient address rejected: «Greylisted Error: no valid recipients
8. Recipient address rejected: Too Busy sorry
9. Recipient address rejected: Access denied
... etc.