relay access denied

[aberrio]

after install isp unable to send email getting The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was 'aberrio@sprintpcs.com'. Subject 'test', Account: 'mail.xxxx.com', Server: 'mail.xxxx.com', Protocol: SMTP, Server Response: '554 5.7.1 <refdvc@tttt.com>: Recipient address rejected: Relay access denied', Port: 25, Secure(SSL): No, Server Error: 554, Error Number: 0x800CCC79

Verify information other post and configure to relayhost = ooooo.com, unable to located another solution here

best regards

al

[till]

1) If this is a local domain, make sure that the website has a co-domain with this domain where the hostname field is empty.

2) If this is a external domain, enable smtp authentication in your mailclient.