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1.3.1 Limitations of Sender Address Verification

Before deciding whether and how to use sender address verification, you should be aware of its limitations.

Both standard and strict methods suffer from the following limitations:

In addition, strict verification breaks forward mail delivery. This is obvious, since mail forwarding is based on delivering unmodified message to another location, so the sender address domain will most probably not be the same as that of the MTA doing the forwarding.

Mailfromd Manual (split by node):   Section:   Chapter:FastBack: Intro   Up: SAV   FastForward: Building   Contents: Table of ContentsIndex: Concept Index