photo email from a mobile phone
General term for an email with attached photos sent from a mobile phone. Often associated with the early 2000s feature-phone era, but still understood.
See also: 写メ
I sent a photo email to my friend.
SoftBank Mobile's photo-email service
Trademarked service name by SoftBank Mobile (now SoftBank Corp.) for sending photos via email. In practice, the term became genericized and is often used interchangeably with sense 1.
写メール is a trademark of SoftBank.
Sharing photos via photo email was popular.