DMM Advisory | Postal Explorer

Postal Explorer

The Postal Service is reminding customers that metallic mercury and devices containing metallic mercury are always prohibited in the mail stream. This includes antique items such as thermometers, barometers, blood pressure monitors and similar devices.

Pricing & Classification DMM Advisory

Message board to keep postal customers informed of changes to mailing standards, services, and prices.

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August 5, 2021

UPDATE 188: International Mail Service Updates Related to COVID-19

On August 5, 2021, Macao Post, the designated operator of Macao, provided notification that due to high risk of a local COVID-19 outbreak, the Macao Special Administrative Region has entered a state of immediate prevention effective Tuesday, August 3, 2021. Certain districts and locations in Macao are locked down, which will affect the delivery of letter-post and EMS items until further notice.

Unless otherwise noted, service updates to a particular country do not affect delivery of military and diplomatic mail.

This service update affects Priority Mail Express International^® (PMEI), Priority Mail International^® (PMI), First-Class Mail International^® (FCMI), First-Class Package International Service^® (FCPIS^®), International Priority Airmail^® (IPA^®), International Surface Air Lift^® (ISAL^®), and M-Bag^® items.

The DMM Advisory will continue to provide updates as they are received. For a full list of international service disruptions, please visit https://about.usps.com/newsroom/service-alerts/international/welcome.htm