telnet mail.heliotech-eg.com 26 Trying 75.125.50.2... Connected to srv.xlab-group.com. Escape character is '^]'. 220-srv.xlab-group.com ESMTP Exim 4.68 #1 Thu, 15 Nov 2007 19:43:03 +0200 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail. AUTH LOGIN aC5iZWhtYW5AaGVsaW90ZWNoLWVnLmNvbQ== 503 AUTH command used when not advertised MAIL FROM h.behman@heliotech-eg.com 500 unrecognized command MAIL FROM: h.behman@heliotech-eg.com 250 OK RCPT TO: mina.ramses@gmail.com 550-[41.234.168.251] is currently not permitted to relay through this server. 550-Perhaps you have not logged into the pop/imap server in the last 30 minutes 550 or do not have SMTP Authentication turned on in your email client.