- Mandrill – 12.000 free, $0.20/thousand
- Mailgun – 10.000 free, $0.50/thousand
- SendGrid – 200/day free $0.10/thousanda (lite), $10/month/40.000
- MailJet – 12.000 free, $1/thousand
- Amazon SES $0.10/thousand + Sendy gateway
- Postmark 25.000 free one-time, $1.50/thousand
- CritSend 1000 free one-time, $0.50/thousand
- ElasticEmail 1000 free one-time, $1/thousand