AWS Messaging Blog

Update (3/14/16): To increase your SPF authentication options, Amazon SES now enables you to use your own MAIL FROM domain. For more information, see Authenticating Email with SPF in Amazon SES. One of the most important aspects of email communication today is making sure the right person sent you the right message. There are several […]

Hello SES senders!  We have talked a number of times about how high bounce rates indicate a need to improve sending practices.  A high bounce rate can be a sign that someone is sending mail to lists that they have bought or rented, or that they aren’t maintaining their own lists, or a number of other problems.  As such, SES takes high […]

The Amazon SES team is excited to announce the release of delivery notifications. This feature allows you to receive an SNS notification each time SES successfully delivers one of your emails to a recipient’s mail server. The notifications contain delivery information that provides increased transparency into the status of email sent with SES. What are […]

We’ve finally reached the conclusion of our deep dive into how you can capture SMTP conversations should you need to debug an issue that lies deeper than your application. Now that we’ve gone over SMTP conversation basics and getting the easiest to decipher bits of a TCP conversation with TCP Flow, let’s look at all […]

If your email-sending application has problems communicating with the Amazon SES SMTP interface (or your customers are having problems connecting to your SMTP server that proxies requests to Amazon SES), you’ll first probably check your application logs to see what’s going on. If you’re not able to find a smoking gun in your application logs […]

Amazon SES strives to make your email sending as simple and quick as possible, which means that users of our HTTP API don’t even have to worry about what an SMTP conversation is or how to capture one. Even a lot of our SMTP interface users outsource the problem to software like Microsoft Outlook or […]

Update (28 Jan 2019): We removed a reference to converting a set of existing credentials to SMTP credentials. We recommend that you use the procedures for obtaining SMTP credentials by using the Amazon SES console. Hi SES senders, In this blog post I’ll explain which security credentials you need to use depending on how you […]

Every SES account has a quota limiting the number of messages that can be sent daily. Here are some of the most common questions we hear about this quota: Why do you have a daily quota? Quite simply, the daily quota is a mechanism to limit the potential damage if an account starts sending spam. […]

Change is inevitable – except from a vending machine. Or so says Robert C. Gallagher. I personally strongly agree with him, especially regarding the email industry. Lately we’ve been hearing about changes mailbox providers are making that challenge us to rethink the way we send email. Here is the latest one: Yahoo.com changed their Domain-based […]

07/03/17 Update: You can now verify as many as 10,000 identities per AWS account. See this forum announcement for details. Short answer: Yes, but with restrictions. Long answer: SES is generally structured around the idea that each AWS account is independent in its sending and can be treated as a separate entity.  We realize however […]