Prel Posted February 25, 2005 Posted February 25, 2005 (edited) Hello some solution for this type of error that happens when sending email: Unknown error. Subject ' Re: Happinesses!!!', Account: ' reserv', Server: ' mail.****.br ', Protocol: Smtp, Door: 25. Segura (Ssl): Not, Nº of the error: 0x800CCC0B and, 550 Authentication turned on in your email client. and, 503 valid RCPT command must precede DATA Thank´s Edited February 25, 2005 by paulo Quote
TCH-Dick Posted February 25, 2005 Posted February 25, 2005 Hi paulo, Take a look at this post http://www.totalchoicehosting.com/forums/i...=0entry115917 If that does not fix it you can try here. http://support.microsoft.com/kb/827349/pt-br Quote
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