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Outlook express : error 550

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When I use outlook express to dial in to my server for email retrieval i get this error
message . Is it due to my server or mail bounced back from the destination server ?
my server IP address is 202.42.237.2

The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was 'Alexander.Swartwood@morganstanley.com'. Subject 'Read: Sonus ', Account: 'Juniper Server', Server: '202.42.237.2', Protocol: SMTP, Server Response: '550 Sorry, This host does not relay mail', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79

Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity. Account: 'Juniper Server', Server: '202.42.237.2', Protocol: SMTP, Port: 25, Secure(SSL): No, Error Number: 0x800CCC0F

The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was 'dorisyee@iglobepartners.com'. Subject 'TESTING of sending mail', Account: 'Juniper Server', Server: '202.42.237.2', Protocol: SMTP, Server Response: '550 Sorry, This host does not relay mail', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79

5 replies

by martinitek

Just a thoug but i have seen this a few times !

95% of the time, even though the message sound's real complicated, it is usualy due to an invalid address (The one you are sending it to) This can be that the email address is incorrect (on the Juniper server)and it can also be due to a typo when the address was entered in your address book.

by martinitek

Just a thoug but i have seen this a few times !

95% of the time, even though the message sound's real complicated, it is usualy due to an invalid address (The one you are sending it to) This can be that the email address is incorrect (on the Juniper server)and it can also be due to a typo when the address was entered in your address book.

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