We try to send alert with Kemp HLB LoadMaster Version 7.0-12a The Hlb use on eth0 the same IP address of the Exchange 2013 SP1 Us Smtp transport server. We tried to send email from a telnet from the same vlan through the 25 port and it works! The mail is arrived on Exchange User mailbox
When we try to do this with the HLB with this configuration
We have this error message : Mar 26 16:42:36 SrvHlb01 mailer: Error processing MAIL cmd on SMTP server. SMTP status code = 501 on the system log. We tried to replace the smtp address with a fqdn . Same issue.
Case is openend