[lyonlim]

I mentioned briefly in an earlier comment on our experience using SES vs Mailchimp/Mandrill.

Our emails sent through SES, often ended up in people's spam folder despite doing the requisite verifications (SPF, DKIM).

We switched to Mandrill and noticed significant improvements. We don't send alot of emails, but for transactional emails, it's important those are delivered.

Sending emails without images, in plain text, also does improve delivery especially to corporate emails.

We were exploring dedicated IPs, but those require warming up, so frankly we don't send many emails.

Love to hear any other advise for improving email delivery.