check email

How to check if the email address exists

Source Hyperlink

To good site if consumer entered mailbox.does.not.exist @webdigiapps. com really exists undergo the adhering to in order prompt on windows/ terminal on macintosh. The demands you input remain in environment-friendly and the server reaction resides in blue. Please refer to MAC COMPUTER & & PC screenshots in the direction of completion of the article.

Step 1 –- Discover email exchanger or email web server of webdigiapps.com

COMMAND:

nslookup -q= mx webdigiapps.com

RESPONSE:
Non- reliable response:

webdigiapps.com mail exchanger = 0 mx2.sub3.homie.mail.dreamhost.com.

webdigiapps.com mail exchanger = 0 mx1.sub3.homie.mail.dreamhost.com.

Step 2 –- Now we understand the email server deal withthus let our team hook up to it. You may hook up to one of the exchanger handles in the feedback from Step 1.

COMMAND:

telnet mx2.sub3.homie.mail.dreamhost.com 25

RESPONSE:

Connected to mx2.sub3.homie.mail.dreamhost.com.

Escape character is actually – ^] ‘.

220 homiemail-mx7. g.dreamhost.com ESMTP

COMMAND:

helo hi

RESPONSE:

250 homiemail-mx8. g.dreamhost.com

COMMAND:

mail coming from: <

RESPONSE:

250 2.1.0 Ok

COMMAND:

rcpt to: <

RESPONSE:

550 5.1.1 : Recipient handle turned down: User unknown in online pen names desk

COMMAND:

quit

RESPONSE:

221 2.0.0 Bye

Screenshots –- MAC COMPUTER Terminal & & Microsoft Window

NOTES:

  1. the 550 feedback indicates that the email handle is certainly not legitimate and you have caught a valid yet wrong email deal with. This code can be on the web server and also contacted AJAX when consumer buttons out of the email area. The whole entire check is going to take lower than 2 secs to manage and also you can ensure that the email is actually right.
  2. If email was present the hosting server will certainly react along witha 250 as opposed to 550
  3. There are actually particular web servers along witha CATCH ALL OF email as well as this indicates all email deal withare allowed as authentic on their hosting servers (RARE but some hosting servers carry out have this setup).
  4. Please do not use this method to constantly to check email for schedule of gmail/ yahoo/ msn profiles etc as this might induce your Internet Protocol to become added to a blacklist.
  5. This is to supplement the standard email deal withjavascript recognition.