SES slow to send received emails to S3

Question

I have a verified domain set up in SES that saves received emails to S3 and I do some processing on it from there. This has been working completely as expected for a few weeks (at very low volume) but as of this afternoon it has taken up to 50 minutes for an email to arrive in S3. I have been testing at a slightly higher frequency but not more than once per 10 minutes.

Is there anything that could cause this or is SES just slow today?

Thanks in advance

Is there anything that could cause this or is SES just slow today?

Thanks in advance

Answer

Hello AWS-User-9039557
     
There are many factors that can influence the speed of SES:

* You could have a bottleneck; test this by sending multiple test emails as quickly as possible.
    * Using only a single thread or using only a single process.
    * Having your application far away from the SES API endpoint.
    * Using only a single machine
    * And more
     
You can also test SES by using a different email domain, sending email from the SES console, and sending email from Gmail, and comparing the results to see if you have a domain issue.
     
For more detailed information, please follow the links provided below.    https://docs.aws.amazon.com/ses/latest/dg/troubleshoot-throughput-problems.html
     
https://aws.amazon.com/blogs/messaging-and-targeting/three-places-where-your-email-could-get-delayed-when-sending-through-ses/
     
Please let us know if you have any more questions. We are happy to assist you!

SES slow to send received emails to S3

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