INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :5.1.0 <account @domain.com="">: Sender address rejected
Hello, im having a problem sending an from an account to some address using the webmail, i got an email with the next msg:
INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :5.1.0 <
user@domain.com>: Sender address rejected: weizur.com
Any help is appreciated.