Microsoft Outlook Express

I configured Microsoft Outlook express client, Lotus Domino.Incomming mails working properly but When I send a mail I cant send this error massage will displayed

“The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was ‘chamikaram@yahoo.com’. Subject ‘Teasting’, Account: ‘203.160.129.98’, Server: ‘203.160.129.98’, Protocol: SMTP, Server Response: ‘554 Relay rejected for policy reasons.’, Port: 25, Secure(SSL): No, Server Error: 554, Error Number: 0x800CCC79”

what is this SSL error and how can I configure outlook express to my Domino Server.

pls help me

Subject: Microsoft Outlook Express

same problemvery very quick

reply rguruz@yahoo.com

Thanks

Subject: Microsoft Outlook Express

Looks like your domino server does not allow external SMTP relaying, wich is very good to prevent spammers to abuse your server. You can give some kind of ‘white list’ in your server’s configuration to allow certain IP-ranges to relay to external internet domains. look here:

Subject: Microsoft Outlook Express

I add my ip address then another error massge will displayed

“The server requires a SSL connection. Account: ‘203.160.129.98’, Server: ‘203.160.129.98’, Protocol: SMTP, Server Response: ‘530 TLS required’, Port: 25, Secure(SSL): No, Server Error: 530, Error Number: 0x800CCC7C”

Subject: RE: Microsoft Outlook Express

check your internet site documents for the SMTP inbound document. Check if ordinary TCP (non SSL) are allowed …