When i try to send an email to an account in a DA server, it bounce back with:
----- The following addresses had permanent fatal errors -----
<[email protected]>
(reason: 550 authentication required)
----- Transcript of session follows -----
... while talking to mail.------.com.:
>>> DATA
<<< 550 authentication required
550 5.1.1 <[email protected]>... User unknown
<<< 503 valid RCPT command must precede DATA
User and all stuff is well created..
----- The following addresses had permanent fatal errors -----
<[email protected]>
(reason: 550 authentication required)
----- Transcript of session follows -----
... while talking to mail.------.com.:
>>> DATA
<<< 550 authentication required
550 5.1.1 <[email protected]>... User unknown
<<< 503 valid RCPT command must precede DATA
User and all stuff is well created..