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node-email-verifier
Advanced tools
Node Email Verifier is an email validation library for Node.js that checks if an email address has a valid format and optionally verifies the domain's MX (Mail Exchange) records to ensure it can receive emails.
Install the package using npm:
npm install node-email-verifier --save
Here's how to use Node Email Verifier, with and without MX record checking:
import emailValidator from 'node-email-verifier';
// Example with MX record checking
async function validateEmailWithMx(email) {
try {
const isValid = await emailValidator(email, { checkMx: true });
console.log(`Is "${email}" a valid email address with MX checking?`, isValid);
} catch (error) {
console.error('Error validating email with MX checking:', error);
}
}
// Example with MX record checking and custom timeout
async function validateEmailWithMxTimeout(email) {
try {
const isValid = await emailValidator(email, { checkMx: true, timeout: '500ms' });
console.log(`Is "${email}" a valid email address with MX checking and custom timeout?`, isValid);
} catch (error) {
if (error.message.match(/timed out/)) {
console.error('Timeout on DNS MX lookup.');
} else {
console.error('Error validating email with MX checking:', error);
}
}
}
// Example with custom timeout as a number
async function validateEmailWithMxTimeoutNumber(email) {
try {
const isValid = await emailValidator(email, { checkMx: true, timeout: 500 });
console.log(`Is "${email}" a valid email address with MX checking and custom timeout?`, isValid);
} catch (error) {
if (error.message.match(/timed out/)) {
console.error('Timeout on DNS MX lookup.');
} else {
console.error('Error validating email with MX checking:', error);
}
}
}
// Example without MX record checking
async function validateEmailWithoutMx(email) {
try {
const isValid = await emailValidator(email, { checkMx: false });
console.log(`Is "${email}" a valid email address without MX checking?`, isValid);
} catch (error) {
console.error('Error validating email without MX checking:', error);
}
}
validateEmailWithMx('test@example.com').then();
validateEmailWithMxTimeout('test@example.com').then();
validateEmailWithMxTimeoutNumber('test@example.com').then();
validateEmailWithoutMx('test@example.com').then();
async emailValidator(email, [opts])
Validates the given email address, with an option to skip MX record verification and set a custom timeout.
email
(string): The email address to validate.opts
(object): Optional configuration options.timeout
(string|number): The timeout for the DNS MX lookup, in
milliseconds or ms format (e.g., '2000ms' or '10s'). The default is 10 seconds
('10s').checkMx
(boolean): Whether to check for MX records. This defaults to
true.Promise<boolean>
: A promise that resolves to true if the email address
is valid and, if checked, has MX records; false otherwise.Contributions are always welcome! Feel free to submit a PR.
This project is licensed under the MIT License.
FAQs
A Node.js module for verifying email addresses
We found that node-email-verifier demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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