Email Utility Package

This package provides utility functions for sending and validating emails in batches using Node.js and nodemailer.

Functions

sakshSendEmail(to, subject, message, config)

Sends an email.

• Parameters:

  • to (string): The recipient's email address.
  • subject (string): The subject of the email.
  • message (string): The body of the email.
  • config (object): The configuration object for the email service.
    • host (string): The SMTP server host.
    • port (number): The SMTP server port.
    • secure (boolean): Whether to use SSL.
    • user (string): The SMTP server username.
    • pass (string): The SMTP server password.

• Returns: Promise<void>

sakshSendEmailsBatch(emailAddresses, subject, message, configs)

Sends multiple emails in batch using one or multiple SMTP server configurations.

• Parameters:

  • emailAddresses (Array): Array of email addresses.
  • subject (string): The subject of the email.
  • message (string): The body of the email.
  • configs (object|Array): A single configuration object or an array of configuration objects for the email service.

• Returns: Promise<void>

sakshValidateEmail(email)

Validates a single email address.

• Parameters:

  • email (string): The email address to validate.

• Returns: object - The validation result.

sakshValidateEmailsInBatches(emailAddresses, batchSize, callback)

Validates emails in batches and informs the status to a callback function.

• Parameters:

  • emailAddresses (Array): Array of email addresses.
  • batchSize (number): The size of each batch.
  • callback (function): The callback function to inform the validation status.

• Returns: Promise<void>

sakshProcessEmailsInBatches(emailAddresses, subject, message, configs, callback)

Processes email sending in batches and updates the status via a callback.

• Parameters:

  • emailAddresses (Array): Array of email addresses.
  • subject (string): The subject of the email.
  • message (string): The body of the email.
  • configs (object|Array): A single configuration object or an array of configuration objects for the email service.
  • callback (function): The callback function to update email statuses.

• Returns: Promise<void>

Usage

Installation

npm install nodemailer saksh-mailer

const { sakshSendEmail, sakshSendEmailsBatch, sakshValidateEmailsInBatches, sakshProcessEmailsInBatches } = require('./index');

// Configuration for the email service
const emailConfig = {
    host: 'smtp.example.com',
    port: 587,
    secure: false,
    user: '[email protected]',
    pass: 'your_email_password'
};

// Sending a single email
sakshSendEmail('[email protected]', 'Test Subject', 'Test Message', emailConfig)
    .then(() => console.log('Email sent successfully'))
    .catch(error => console.error('Error sending email:', error));

// Sending multiple emails in batch
const emailAddresses = ['[email protected]', '[email protected]'];
sakshSendEmailsBatch(emailAddresses, 'Batch Subject', 'Batch Message', emailConfig)
    .then(() => console.log('Batch emails sent successfully'))
    .catch(error => console.error('Error sending batch emails:', error));

// Validating emails in batches
const validateCallback = (email, validation) => {
    console.log(`Email: ${email}, Validation: ${validation}`);
};
sakshValidateEmailsInBatches(emailAddresses, 50, validateCallback)
    .then(() => console.log('Email validation completed'))
    .catch(error => console.error('Error validating emails:', error));

// Processing email sending in batches
const processCallback = (email, status) => {
    console.log(`Email: ${email}, Status: ${status}`);
};
sakshProcessEmailsInBatches(emailAddresses, 'Batch Subject', 'Batch Message', emailConfig, processCallback)
    .then(() => console.log('Email processing completed'))
    .catch(error => console.error('Error processing emails:', error));

    ```



    ### Support 

    susheel2339 at gmail.com