What is Mail.dat
IDEAlliance Standard 130-1995
Mail.dat is the standard embraced by a significant portion of the
mail production industry and the US Postal Service. Mail.dat is a
relational database of nineteen "connected" files describing
each characteristic that can exist within a mailing. As such, the
standard has contributed to important gains in efficiency, economy,
and strategy enhancement.
The key to Mail.dat's impact has been its ability to facilitate efficient
and process-enhancing communications. By sharing comprehensive data
readily, recipients and/or end-users can accept data, interpret the
data for their own purposes and benefit from the resulting information;
all with an ease and in a manner not thought possible until recently.
The flexibility of Mail.dat permits users to share those files that
are necessary for their purpose; thus, basic users will not be as
inclined to use the "optional" files as those who will be
accommodating more complex applications.
Mail.dat is designed for efficient support of those activities associated
with or driven by the presort inherent within a mailing. Mail.dat
consists of data elements representing any conceivable variable that
might be present in any USPS or Canada Post mailing (and some other
elements supporting mid- and down-stream processes). The US Postal
Service accepts Mail.dat as an electronic representation of the mailing
and as a replacement for the traditional hardcopy documentation.
Postal presort creates packages and containers. Those containers may
be viewed collectively as single or multiple jobs. The comprehensive
data set can then be used for planning and execution of manufacturing,
transportation, and postage payment, to name but a few opportunities.
The History of Mail.dat
IDEAlliance's (then GCA) first effort, the Production Container Summary,
detailed a mailing by container, content and rate to facilitate Third
Class transportation pool planning for destination entry.
The concept was soon expanded to all classes as The Enhance Production
Container Summary. During that period, the mailing industry further
recognized a need for package level detail. The mailing industry had
learned that the relatively simple environment of a few years ago,
and it's specific solution, had been quickly outdated by rising expectations
of what can and should be.
While developing Mail.dat, a single criterion defined the outcome:
account for each possible preparation and presentation variable that
could exist within a mailing.
Therefore, excluding addresses, Mail.dat summarizes all information
for a given mailing. Any analysis of a mailing can be fully satisfied,
except analysis unique to an address.
The specification has continuously evolved since the first Mail.dat
format appeared in 1996. As with its predecessors. the current Mail.dat
specification is defined by circumstances as perceived at this time,
but built-in flexibility makes it possible to readily adapt to new
requirements, as they are recognized.
The Mail.dat Committee is constantly attending to the viability, currency,
and accuracy of the Mail.dat specification. Each user and potential
user stands as a critical contributor to the quality, efficacy, and
history of Mail.dat.
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