How to Verify an Email Address without Sending Email?

Gone are the days when you used to send cold emails to get something from somewhere without any thought. If you are using email marketing, you need to pay attention to the email open rate, and give a personal touch to getting the response of your leads.

If you are using email marketing for your business or you have your email address list, then you should know which email address is bad in it.

Always make it a goal that your email reaches the recipient’s inbox

How?

Verify the email address, if you receive a hard bounce notification. In the future, never send an email to that email address.

How to verify an email address without sending email?

Now it is possible to verify the email address without sending email. It just takes a little complicated method and some technique.

We will discuss two methods

  1. Manual Method
  2. Email Marketing Services Method

Manual Method

1.Check Email using free email validation Tool

Use the verifyemailaddress.org free tool to verify your email address.

First open this verifyemailaddress.org pagehow to verify an email address

Pour an email address in input field and click on Verify Email Now button.

how to verify an email address

Result:

Email address is valid

how to verify an email address

Email address is not valid

how to verify an email address

2.Manually Check Email address Syntax

To recognize a invalid email addresses check the syntax of email address.

Valid email address include a two parts:

  • Local Part : Username
  • Domain Part: Which come after the @

xyz@gmail.com

xyz (Local part) gmail.com (username)

Local part Syntax

  • The local part can only contain 64 characters.
  • Can contain uppercase and lowercase letters a to z or A to Z
  • Digits 0 to 9
  • !#$%&’*+-/=?^_`{|}~ special character
  • Local part contain dot (.), but it should not be at the beginning or at the end nor should there be a dot after a dot.

Domain Syntax

  • Uppercase and lowercase letter (a to z, A to Z)
  • Digits 0 to 9
  • Contain Hypen (-) but it should not be at the beginning or at the end of domain name.
  • Dot . , it use to separate the parts of domain labels like gmail.com (com is domain label).

You can describe these rules in the form of Regular expression

“^[a-zA-Z0-9+_.-]+@[a-zA-Z0-9.-]+$”

3. Ping the Server

Another procedure to verify the email address is to ping the mail server to check if the email address is valid or not.

This process is quite risky and also slow but it gives accurate result.

Here are some steps to verify email addresses by ping mail server

  1. First enable a Telnet on Window or PuTTY or Netcat on MacOS. (How sto enable Telnet on Window)
  2. Find the Mail Server – open command prompt (cmd) and type nslookup –type=mx domain.com. In this case replace domain.com with your domain name. Press enter button, and then it will load all the list of MX Record for that domain.
  1. Connect To the server – As you see multiple MX records for a particular domain, with several preference levels. Pick one of them and send out a pretend email to the server. Using Telent, we write a following command.

telnet  domainname-smtp.in.I.google.com 25

  1. After that now talk to the server, write Hello then press enter, mail from: sales@mailcot.com (replace email address from yours) press enter and type the recipient email address we want to validate.

Hello

mail from: <sales@mailcot.com>

rcpt to: <xyz@gmail.com>

Here, you will get the result if email address is valid:

220 mx.google.com ESMTP h3si7768221lfu.32 – gsmtp
HELO

250 mx.google.com at your service
mail from:< sales@mailcot.com>
250 2.1.0 OK h3si7768221lfu.32 – gsmtp
rcpt to:< xyz@gmail.com>
250 2.1.5 OK h3si7768221lfu.32 – gsmtp
quit
221 2.0.0 closing connection h3si7768221lfu.32 – gsmtp

If email address is not valid

220 mx.google.com ESMTP h3si7768221lfu.32 – gsmtp
HELO

250 mx.google.com at your service
mail from:< sales@mailcot.com>
250 2.1.0 OK h3si7768221lfu.32 – gsmtp
rcpt to:< xyz123@gmail.com>
550-5.1.1 The email account that you tried to reach does not exist. Please try

550-5.1.1 double-checking the recipient’s email address for typos or

550-5.1.1 unnecessary spaces. Learn more at

550 5.1.1  https://support.google.com/mail/?p=NoSuchUser l26si4867318ljg.18 – gsmtp

quit

221 2.0.0 closing connection l26si4867318ljg.18 – gsmtp

4.Check Bulk Email Verify Email Address

Instead of checking one email at a time, you can verify bulk email addresses using the free bulk email verification tool. You can verify 25 email at a time but when you need to verify 100 or 2000 email at a time, purchase a premium plan of that free tool.

The free tool I told you above only verifies one email at a time. But if you have 1000 email list in your list then this free tool is not so effective so you need bulk email verification tool.

 



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