a category of mail for mailing large numbers of identical printed items to individual addressees at less than first-class rates, as circulars or bulletins.
bulk-mail
[buhlk-meyl] /ˈbʌlkˌmeɪl/
verb (used with object)
1.
to mail as bulk mail.
Examples from the web for bulk mail
Distributed to residents by bulk mail or in utility bills.
Using precanceled stamps on your mail is an easy way to get started with bulk mail.
If you did not receive a confirmation e-mail, check your spam or bulk mail in-box.
Permit imprints must not denote bulk mail, nonprofit, or other domestic or special mail markings.
The central mail facility provides inter-office, postal and bulk mail support to state government.
All commodities entering a bulk mail facility shall be held for inspection.
If you did not receive an e-mail, check your spam or bulk mail in-box.
If the solicitation arrives by bulk mail, you probably haven't won a big prize.