On 2012-02-28 santosh malavade wrote: > I am trying to change the envelope sender appearing in Non Delivery > Reports as from=<> using sender_canonical_maps hash file
This is likely to cause mail loops, so don't do it. The null sender is the established and perfectly valid sender address for NDRs. Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky
