The_Hermit_1971 Posted September 1, 2008 Share Posted September 1, 2008 I get this error everytime I try to send email with Outlook Express: An unknown error has occurred. Account: 'mail.centennialpr.net', Server: 'mail.centennialpr.net', Protocol: SMTP, Server Response: '550 Too many invalid recipients', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC69Can somebody help me please? Link to comment Share on other sites More sharing options...
TranceEnergy Posted September 1, 2008 Share Posted September 1, 2008 HereOff topic, if u can, id recommend using another program then oe. Link to comment Share on other sites More sharing options...
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