It depends on the context of what "they" refers to. If you're talking about documents or packages that require physical delivery, then yes, they need to be mailed. However, if "they" pertains to digital files or communications, then mailing is not necessary, as these can be sent electronically. Always check the specific requirements for the items in question to determine the appropriate method of delivery.
They are mailed from Virginia.
The past tense of mail is mailed.
W-2 forms are supposed to be mailed by the end of January. That doesn't mean that you will always have it by then but they should be mailed by then.
mailed by Jan 31
they can be delived but not mailed
Can prescription medicines be mailed within the U.S.?
They are mailed.
Any envelope can be mailed.
They will be mailed on December 19th 2012.
3 days
Refund checks mailed to individual taxpayers are mailed from the Atlanta Service Center of the Internal Revenue Service.
The size of the letter and where it is being mailed from are important factors. If it is being mailed from California, the price would be very different from if it was being mailed from Japan.