steve m Posted August 2, 2006 Share Posted August 2, 2006 I've been trying to look for what this error means, but I can't find it. Can some tell me what this error means?Warning: mail(): SMTP server response: 501 need user@domain at < > in c:\program files\apache group\apache\htdocs\rcubedadmin\email_subscribe\email_form2.php on line 158Thanks Link to comment https://forums.phpfreaks.com/topic/16281-smtp-error/ Share on other sites More sharing options...
hitman6003 Posted August 2, 2006 Share Posted August 2, 2006 It means that your smtp server wants you to either A) authenticate or B) supply a valid email address Link to comment https://forums.phpfreaks.com/topic/16281-smtp-error/#findComment-67519 Share on other sites More sharing options...
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