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README.md

Receive an email, trigger a lambda function to process header

This example shows how to receive an email header with SES, trigger a lambda function, process headers or accept or reject emails.

Use-cases

  • Postprocess of email header.
  • accept or reject emails

Setup

  • Create a SES verified Domain but do not setup the "Rule Set"
  • if you change the region check if SES receiving exists in your region
  • if you change the function names you will need to update the normalized function name used in the resource section - e.g. processacceptreject => ProcessacceptrejectLambdaFunction

Deploy

In order to deploy the example, simply run:

serverless deploy

The output should look similar to:

Serverless: Packaging service...
Serverless: Excluding development dependencies...
Serverless: Uploading CloudFormation file to S3...
Serverless: Uploading artifacts...
Serverless: Uploading service .zip file to S3 (2.69 KB)...
Serverless: Validating template...
Serverless: Updating Stack...
Serverless: Checking Stack update progress...
........................
Serverless: Stack update finished...
Service Information
service: aws-node-ses-receive-email-header
stage: dev
region: eu-west-1
stack: aws-node-ses-receive-email-header-dev
api keys:
  None
endpoints:
  None
functions:
  processheader: aws-node-ses-receive-email-header-dev-processheader

Setup SNS Email Receiving Rule for process header

  1. Open the Amazon SES console at https://console.aws.amazon.com/ses/
  2. In the navigation pane, under Email Receiving, choose Rule Sets.
  3. Choose Create a Receipt Rule.
  4. On the Recipients page, choose Next Step. (Without a adding any recipients, Amazon SES applies this rule to all recipients)
  5. For Add action, choose lambda.
  6. For Lambda function, choose the lambda function with the name aws-node-ses-receive-email-header-dev-processheader you defined in serverless.yml
  7. Invocation type choose Event
  8. Choose Next Step
  9. On the Rule Details page, for Rule name, type my-rule. Select the check box next to Enabled, and then choose Next Step.
  10. On the Review page, choose Create Rule.

Setup SNS Email Receiving Rule for accept or reject emails

Schritte 1-5 sind identisch dann:

  1. For Lambda function, choose the lambda function with the name aws-node-ses-receive-email-header-dev-processacceptreject you defined in serverless.yml
  2. Invocation type choose RequestResponse (Lambda function will be called synchronously to control mail flow)
  3. Choose Next Step
  4. On the Rule Details page, for Rule name, type my-rule. Select the check box next to Enabled, and then choose Next Step.
  5. On the Review page, choose Create Rule.

Usage

Send a test email to the receipient.

serverless logs -t --function processheader

START RequestId: eada06fc-c76a-11a8-bffd389a883292 Version: $LATEST
<date> <RequestId>     { from: 'Tim Turbo <[email protected]>',
  to: '[email protected]',
  subject: 'Testsubject',
  date: 'Thu, 4 Oct 2018 01:33:06 +0200' }
END RequestId: eada06fc-c76a-11a8-bffd389a883292
REPORT RequestId: eada06fc-c76a-11a8-bffd389a883292  Duration: 5.62 ms       Billed Duration: 100 ms         Memory Size: 1024 MB    Max Memory Used: 19 MB