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ses-mail-async-py

This Python program utilizes the Amazon Simple Email Service (SES) to send emails with attachments to a list of recipients in parallel. It is designed to handle a specified rate limit to comply with SES restrictions.

Prerequisites

Before running the program, ensure that you have set the following environment variables:

  • AWS_ACCESS_KEY_ID: Your AWS Access Key ID.
  • AWS_SECRET_ACCESS_KEY: Your AWS Secret Access Key.
  • REGION_NAME: The AWS region where SES is configured.

Usage

  1. Clone the repository:

    git clone git@github.com:oswaldom-code/ses-mail-async-py.git
cd ses-mail-async-py

  2. Install the required Python packages:

    pip install boto3

  3. Create a folder named attachments in the same directory as the script and place the files you want to attach inside it.

  4. Create a file named email_list.txt containing the list of recipient emails, with each email on a new line.

  5. Create an HTML file named email_content.html containing the email content in HTML format.

  6. Run the script:

    python ses-mail-async.py

The program will send emails to the specified recipients with the provided HTML content and attached files.

Rate Limit

The program respects the SES rate limit by sending emails at a specified rate (11 emails per second by default) using a ThreadPoolExecutor.

Handling Failures

Failed emails (if any) will be logged in a file named failed_emails.txt for further investigation.

Feel free to customize the program to meet your specific needs.