Yeah, but pricing is ten times Appengine's (actually more - recently we don't seem to be being charged for email at all). Amazon SES is the only service with a

Yeah, but pricing is ten times Appengine's (actually more - recently we don't seem to be being charged for email at all). Amazon SES is the only service with a comparable cost that I've found. I'd love to hear of other alternatives at the 1c/100 level.