信封是USPS web store购买的“Priority Mail® Forever Prepaid Flat Rate Envelope – PPEP14F“. 寄出之前,tracking状态为“Label Created, not yet in system”. 寄出不久之后变成了:“Not Trackable - Delivery status information is not available for your item via this web site.“...
LetterTrack is fantastic! It takes less than 5 minutes each day to export my eBay orders and print my trackable envelopes from LetterTrack. The tracking emails sent to my customers have eliminated the fraudulent claims I had historically received. ...
USPS first class mail is a type of mail service offered by the United States Postal Service that is generally more expensive than standard mail but offers several benefits, such as faster delivery. First class mail is also trackable and insured up to $100. What are the benefits of USPS firs...
When I called them 7 days later — remember, Priority Mail is supposed to be a 2-3 day delivery — I told them I had a shipping/label number and asked what happened to my package. They couldn’t tell me anything. Their official answer was: “We can’t track Priority Mail packages....