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Forum Discussion

JG's avatar
JG
Icon for Cumulonimbus rankCumulonimbus
May 18, 2014

iRule for SMTP: Passing Client IP Addr to backend mail servers

When SNATs are used for a virtual server, the backend SMTP servers cannot get the client IP address. This irule is intended to replace the string after "EHLO" or "HELO" in mail client initiation with...
application delivery
deployment
devops
iRules
LTM
security
Hamish's avatar
Hamish
Icon for Cirrocumulus rankCirrocumulus
May 18, 2014

Just a thought... But why don't you add a received: header? That way the sending IP is available for anything you want to put in the sequence (e.g. spamassassin etc).

 

H