I am trying to send an email with the aws-sdk client-ses.

my SES_AWS* credentials are all valid.

Is this right??

SES_AWS_EMAIL_OWNER = ses-smtp-user.20250117-103624

also tried:

SES_AWS_EMAIL_OWNER = [email protected]

Error

Here is the message I am getting:

The request signature we calculated does not match the signature you provided. Check your AWS Secret Access Key and signing method. Consult the service documentation for details

Code

const { SESClient, SendEmailCommand } = require('@aws-sdk/client-ses');

const SES_AWS_REGION = process.env.SES_AWS_REGION;
const SES_AWS_ACCESS_KEY_ID = process.env.SES_AWS_ACCESS_KEY_ID;
const SES_AWS_SECRET_ACCESS_KEY = process.env.SES_AWS_SECRET_ACCESS_KEY;
const SES_AWS_EMAIL_OWNER = process.env.SES_AWS_EMAIL_OWNER;

const what = 'emailer';
const emailer_debugThis = true;

const logger = emailer_debugThis ? console : null;

// Initialize the SES client
const sesClient = new SESClient({
  region: SES_AWS_REGION,
  credentials: {
    accessKeyId: SES_AWS_ACCESS_KEY_ID,
    secretAccessKey: SES_AWS_SECRET_ACCESS_KEY,
  },
  signingRegion: SES_AWS_REGION,
  signingName: 'ses',
  logger: logger,
});

const sendEmail = async (
  caller,
  toAddresses,
  subject,
  body,
  simulate,
  caller_debugThis
) => {
  const msgPrefix = caller + '.' + what + '.sendEmail';
  const debugThis = false || emailer_debugThis || caller_debugThis;

  // make sure toAddresses is always an array
  toAddresses = Array.isArray(toAddresses) ? toAddresses : [toAddresses];

  if (debugThis) {
    console.log(msgPrefix, 'simulate', simulate);
    console.log(msgPrefix, 'from', JSON.stringify(SES_AWS_EMAIL_OWNER));
    console.log(msgPrefix, 'toAddresses', JSON.stringify(toAddresses));
    console.log(msgPrefix, 'subject', JSON.stringify(subject));
    const len = 30;
    const logBody = body.length > len ? body.slice(0, len) + '...' : body;
    console.log(msgPrefix, 'body', JSON.stringify(logBody));
  }

  const params = {
    Source: SES_AWS_EMAIL_OWNER, // Must be a verified sender email in SES
    Destination: {
      ToAddresses: toAddresses, // array of email addresses
    },

    Message: {
      Subject: {
        Charset: 'UTF-8',
        Data: subject,
      },
      Body: {
        Text: {
          Charset: 'UTF-8',
          Data: body,
        },
      },
    },
  };

  if (debugThis) {
    console.log(msgPrefix, 'params', JSON.stringify(params));
  }

  let ret = null;
  try {
    if (!simulate) {
      ret = await sesClient.send(new SendEmailCommand(params));
      if (debugThis) {
        console.log('Email sent successfully:');
      }
    } else {
      if (debugThis) {
        console.log('');
        console.log(msgPrefix, 'Email sent successfully: SIMULATED');
        console.log('');
      }

      ret = {
        simulated: 'true',
      };
    }
  } catch (error) {
    console.error(msgPrefix, error.message); // always log errors
    ret = {
      error: error.message,
    };
  }

  if (debugThis) {
    console.log(msgPrefix, 'ret', JSON.stringify(ret));
  }

  return ret;
};

module.exports = {
  sendEmail,
};