nop. everything is all right.
Now I'm getting this error after sending some emails:
The following From address failed: news@xxxx.com.br : MAIL FROM command failed,too many messages in this connection ,421,SMTP server error: MAIL FROM command failed Detail: too many messages in this connection SMTP code: 421SMTP server error: MAIL FROM command failed Detail: too many messages in this connection SMTP code: 421