Hello all, I have a problem with sending mail from an website. searched google, but cannot find a solution With al hosted(mail+web) on VPS there are no problems rDNS is set for server FQDN Website is hosted on VPS with the p4 version of ISPConfig The mail is hosted on an other server (hosting company, will move to VPS sometime) DNS a records pointing to this mailserver (usin ISP DNS) MX records pointing to this mail server The site is made with CIBonfire 0.7 When sending mail with SMTP on port 587 get this errors : Code: 220 mailserver.mailhoster.nl ESMTP Exim 4.84 Tue, 28 Oct 2014 23:24:50 +0100 hello: 550 Bad HELO - Host impersonating domain name [xxx.nl] The following SMTP error was encountered: 550 Bad HELO - Host impersonating domain name [xxxx.nl] Failed to send AUTH LOGIN command. Error: 503 AUTH command used when not advertised from: 250 OK to: 550 relay not permitted, authentication required The following SMTP error was encountered: 550 relay not permitted, authentication required data: 503-All RCPT commands were rejected with this error: 503-relay not permitted, authentication required 503 valid RCPT command must precede DATA The following SMTP error was encountered: 503-All RCPT commands were rejected with this error: 503-relay not permitted, authentication required 503 valid RCPT command must precede DATA 554 SMTP synchronization error The following SMTP error was encountered: 554 SMTP synchronization error Unable to send email using PHP SMTP. Your server might not be configured to send mail using this method. Can anyone tell me what the problem is. what i can do, or is it a problem with the mail server from the other ISP (they say there's nothing wrong with their server) used the perfect server setup debian wheezy with postfix (running almost a year without problems) is this something with postfix? there is NO email domain present in ISPConfig
