Use Amazon SES to send notifications
October 16th, 2014
If the Amazon SES plugin you use properly overrides the wp_mail() function it should work with Gravity Forms.
One caveat is the send from email address from the Notification settings will most likely be overridden by a Send From email setting that is applied in whichever Amazon SES plugin you use because Amazon SES will require an approved Send From email address.
We won’t be introducing an Amazon SES Add-On, but we will be introducing our own email notification add-on that will be powered by Amazon SES in the future and if all goes well with it we will be rolling it into the core Gravity Forms plugin. But it is not something that will be available in the immediate future so you will want to take a look at the available Amazon SES plugins.
Any email service plugin (Amazon SES, Postmark, Sendgrid, Mandrill, etc.) that was developed properly should work fine with the exception of the Send From as I mentioned above.