Send email via SES VPCEndpoint

[tim-finnigan]

Original issue: boto/boto3#2432

VPC Endpoints for SES were announced recently.

However, if you try to send an email via boto3 SES, the client will use the default URL (email.eu-west-1.amazonaws.com), which > doesn't connect to the VPC Endpoint (it will time out because there is no route to it in the private subnet)

To connect to the VPC Endpoint, we have to use a URL like 'email-smtp.eu-west-1.amazonaws.com' (the private DNS name of the > endpoint)

However, if you specify this URL in the endpoint_url param to the Boto3 constructor, it will fail with:

Invalid endpoint: email-smtp.eu-west-1.amazonaws.com

Describe the solution you'd like

I would like to be able to send email via the VPC Endpoint, which I suspect will mean being able to override the endpoint_url.

If I have misunderstood anything regarding usage of boto3, then please do clarify.

[tim-finnigan]

P59082819

[tim-finnigan]

I just received an update from the SES team. They said there is currently a feature request being tracked to add API support for this. But they can’t provide a timeline for when it will be available. In the meantime you can use SMTP to send email with a VPC Endpoint as described here: https://docs.aws.amazon.com/ses/latest/dg/send-using-smtp-programmatically.html

(Although a Python example isn’t included there you could use smtplib to send the emails using SMTP credentials.)

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