Trying to smtp.sina.com:25 Warning: Cannot open log file "send_mail.log" 220 smtp-5-122.smtpsmail.fmail.xd.sinanode.com ESMTP Connected to relay host smtp.sina.com Warning: Cannot open log file "send_mail.log" > HELO localhost 250 smtp-5-122.smtpsmail.fmail.xd.sinanode.com > AUTH LOGIN cHJpbWV0b24= 334 UGFzc3dvcmQ6 > bGk2MjY5ODAwNQ== 535 5.7.8 authentication failed Error: Remote host returned "535 5.7.8 authentication failed" Warning: Cannot open log file "send_mail.log" Error: Error occurred while sending HELO command. Warning: Cannot open log file "send_mail.log" Error: Cannot send email to <> Warning: Cannot open log file "send_mail.log" Disconnected from remote host Warning: Cannot open log file "send_mail.log" Trying to smtp.sina.com:25 Warning: Cannot open log file "send_mail.log" 220 smtp-5-122.smtpsmail.fmail.xd.sinanode.com ESMTP Connected to relay host smtp.sina.com Warning: Cannot open log file "send_mail.log" > HELO localhost 250 smtp-5-122.smtpsmail.fmail.xd.sinanode.com > AUTH LOGIN cHJpbWV0b24= 334 UGFzc3dvcmQ6 > bGk2MjY5ODAwNQ== 535 5.7.8 authentication failed Error: Remote host returned "535 5.7.8 authentication failed" Warning: Cannot open log file "send_mail.log" Error: Error occurred while sending HELO command. Warning: Cannot open log file "send_mail.log" Error: Cannot send email to Warning: Cannot open log file "send_mail.log" Disconnected from remote host Warning: Cannot open log file "send_mail.log"