| List name | Post address | Description |
|---|---|---|
| Bikeworks | bikeworks@sccs.swarthmore.edu | Chester Neighborhood Bike Works |
| Billiards | billiards@sccs.swarthmore.edu | Mailing list for Billiards Club |
| Bims | bims@sccs.swarthmore.edu | |
| BioClub | bioclub@sccs.swarthmore.edu | Biology Club |
| Biologyclub | biologyclub@sccs.swarthmore.edu | |
| Bios-jobs | bios-jobs@sccs.swarthmore.edu | |
| Birds | birds@sccs.swarthmore.edu | |
| Bliss | bliss@sccs.swarthmore.edu | |
| BMT | bmt@sccs.swarthmore.edu | Boy Meets Tractor |
| Board-space | board-space@sccs.swarthmore.edu |