Transnational Email Providers

Amazon Simple Email Service

$0.10 per 1,000 emails sent. 65K free emails per month if you are hosted on EC2.

Disadvantage: You can only sent from @your-domain.extn, if you have a SAS application and need to sent from some other email address, you need domain added to SES and verified.

https://aws.amazon.com/ses/pricing/

ElasticEmail

Free plan allows you to send 150K emails per month.

Disadvantage: All outgoing email must include physical address.

https://elasticemail.com

MailGun

First 10K emails for Free every month. Pay as you go pricing. After 10K free email, you will be charged $0.00050 per email.

https://www.mailgun.com

MailJet

Free account allow you to send 6,000/- email per month. Monthly plan start at $7.49 per month for 30k emails.

https://www.mailjet.com

SparkPost

50K Emails for $9 per month. If you are on AWS, you can get it cheaper from marketplace.

https://www.sparkpost.com

SendGrid

40K email per month for $9.95 per month.

https://sendgrid.com