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postmarking

  • present participle
    of postmark.
    postmark
    noun
    an official mark stamped on letters and other mail, serving as a cancellation of the postage stamp and indicating the place, date, and sometimes time of sending or receipt.

Example Sentences

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Also, at five of nine mail processing facilities studied, retail clerks who were postmarking ballots by hand sometimes used stamps with inaccurate dates, according to the report.

From Salon ● Sep. 11, 2026

Postal Service postmarking procedures mean that if you drop your return in a mailbox on or shortly before Tax Day, April 15, you can’t count on having it postmarked that day.

From The Wall Street Journal ● Jan. 26, 2026

The other pieces include the time carriers return from their routes in the evening, postmarking mail at night and sorting the carrier’s mail before dawn.

From Los Angeles Times ● Sep. 17, 2020

Most postmarking takes place in Anchorage, a day or more away by mail from most of the state.

From Seattle Times ● Sep. 15, 2020

First of all, there’s a difference in messaging between mailing and postmarking.

From Slate ● Jul. 30, 2020