Amazon SES vs Postfix: What are the differences?
What is Amazon SES? Bulk and transactional email-sending service. Amazon SES eliminates the complexity and expense of building an in-house email solution or licensing, installing, and operating a third-party email service. The service integrates with other AWS services, making it easy to send emails from applications being hosted on services such as Amazon EC2.
What is Postfix? A free and open-source mail transfer agent. It is a free and open-source mail transfer agent that routes and delivers electronic mail. It is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Now at Google, Wietse continues to support it.
Amazon SES and Postfix can be primarily classified as "Transactional Email" tools.
What is Amazon SES?
What is Postfix?
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Our internal emails (such as exception notifications) are sent via Amazon SES, since it's cheaper than using Sendgrid. We also use Amazon SES as a fallback in case we have deliverability issues with Sendgrid.
Sending transactional emails, such as reminders, contact form notifications, confirmations …etc.
Amazon SES is the email service we commonly use in clous AWS e-commerce infrastructure.
Some e-mail communication needs a independent provider, for these purposes we use SES.