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FAQ
What is DPV?
Delivery Point Verification (DPV) is an add-on feature of
MAILERS+4 that comes on a separate CD-ROM. DPV is an option
found in Address Check function. When it is enabled your list
will be verified to a higher standard. Where the CASS
Certification of Address Check verifies that an address is in a
valid range, DPV verifies that an actual address is valid. For
example, all the addresses in the range of 120 to 130 Main St will
have the same ZIP+4. The DPV add-on will indicate which of the
addresses in the range of 120 to 130 are valid or invalid and
therefore should not be mailed. DPV will improve the accuracy of
your mailing list and help you save on postage and printing.
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