python - Using google app engine as an smtp server -

python - Using google app engine as an smtp server -

we're looking utilize google send out emails, looks can done through google app engine pretty easily: https://developers.google.com/appengine/docs/python/mail/sendingmail

however i'm wondering is, can utilize google app smtp server / gateway, can set in address app send out messages, , app take them , submit them google send through api?

this can not done gae not back upwards inbound socket connections, needed smtp.

also, sending mails gae has numerous restrictions: mail service can sent originating admin/developer business relationship or logged-in user (only via google accounts, not federated login).

python google-app-engine