Descriptions of and instructions how to subscribe to IOP lists: Physics Early Professional Development (PEPD), Physics Teaching News and Comment (PTNC), Scottish Physics Teaching News and Comment (SPUTNIK), Northern Ireland Physics Teachers Group (NIPTG), Connecting Advancing Physics Teachers (CAPT), Advancing Physics Technicians (APTech), and Connecting Advancing Physics Students (CAPS).
Email list for physics educators with about 700 members and typically 5-50 messages per day. Online archives (for posts since 1996) and membership interface available.