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Hi, Did you think of using 3rd party tools that will check your emails and help you improve them before sending ?
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as per the following references
https://repost.aws/knowledge-center/ses-high-bounce-rate https://aws.amazon.com/blogs/messaging-and-targeting/email-definitions-complaint-rate/
To reduce bounce rates:
- Implement a system to monitor bounce and complaint sending activity and rates. You can use Amazon SNS, event publishing, email feedback forwarding, or reputation metrics to do this.
- Determine the reasons behind the increase in your bounce rate. This could be due to sending emails to invalid mailboxes, having your IP address blocked by mailbox providers, or being on a third-party blocklist.
- Once you've identified the email addresses resulting in bounces, stop sending messages to those addresses to prevent your bounce rate from increasing further.
- When activated, email addresses that result in a hard bounce are added to the suppression list. Subsequent messages to these addresses aren't sent, which can help lower your bounce rate.
- If there are design issues with your sending application, this could impact your bounce metrics. For example, if your application sends a confirmation email to a user when they sign up and the user enters an invalid email address, the confirmation email can result in a hard bounce.
- Implement a solution to automate how bounces are processed, such as handling bounces and complaints, and maintaining a healthy email database with AWS Lambda, Amazon SNS, and Amazon DynamoDB.
To reduce compliance rates:
- A complaint occurs when an email recipient marks an email message as spam. This is recorded by the Internet Service Provider (ISP), and if the ISP has a feedback loop in place with the Email Service Provider (ESP), the ESP is notified.
- Your target complaint rate for each ISP that is sending you complaints should be less than 0.1%.
- If you trace a complaint back to a specific recipient, you should remove that recipient from your list so they don't get that type of email from you again. For example, if you receive a complaint from a recipient for a marketing email, stop sending them your marketing email but continue to send them a transactional email.
- For Amazon SES specifically, the complaint rates should remain below 0.1%. Senders with a complaint rate exceeding 0.5% risk suspension.
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I have verified the email address i got from SNS notification about the compliance emails - Validated it in https://myemailverifier.com/ , result came as Valid.
if the email is valid and why it was saying as compliant.
This Below SNS email details if from a contact us form that customers register with us.
This is the message from SNS -
{"notificationType":"Complaint","complaint":{"feedbackId":"01010188be5dcc4b-9ad48982-873c-4a1e-b8cd-a9b85bbd3615-000000","complaintSubType":null,"complainedRecipients":[{"emailAddress":"zigaa20@yahoo.com"}],"timestamp":"2023-06-15T09:23:18.000Z","userAgent":"Yahoo!-Mail-Feedback/2.0","complaintFeedbackType":"abuse","arrivalDate":"2023-06-15T06:52:03.000Z"},"mail":{"timestamp":"2023-06-15T06:52:02.479Z","source":"info@mydomain.com","sourceArn":"arn:aws:ses:us-west-2:000000000000:identity/info@mydomain.com","sourceIp":"00.00.000.000","callerIdentity":"oen-www","sendingAccountId":"000000000000","messageId":"01010188bdd3502f-1f873600-8183-44d5-9cb5-4652ebbd1a74-000000","destination":["zigaa20@yahoo.com"]}}