check email

How to evaluate if the email deal withexists

Source Hyperlink

To check email if user went into mailbox.does.not.exist @webdigiapps. com definitely exists look at the observing in order motivate on windows/ incurable on mac computer. The demands you type in reside in environment-friendly as well as the hosting server response remains in blue. Satisfy pertain to MACINTOSH & & Personal Computer screenshots in the direction of the end of this particular post.

Step 1 –- Locate email exchanger or email hosting server of webdigiapps.com

COMMAND:

nslookup -q= mx webdigiapps.com

RESPONSE:
Non- reliable solution:

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

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

Step 2 –- Currently we know the mail web server handle thus let our company connect to it. You can link to one of the exchanger addresses in the response coming from Action 1.

COMMAND:

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

RESPONSE:

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

Escape character is – ^] ‚.

220 homiemail-mx7. g.dreamhost.com ESMTP

COMMAND:

helo hi

RESPONSE:

250 homiemail-mx8. g.dreamhost.com

COMMAND:

mail from: <

RESPONSE:

250 2.1.0 Ok

COMMAND:

rcpt to: <

RESPONSE:

550 5.1.1 : Recipient deal withrejected: User unknown in virtual alias table

COMMAND:

quit

RESPONSE:

221 2.0.0 Bye

Screenshots –- MAC COMPUTER Terminal & & Microsoft Window

NOTES:

  1. the 550 response suggests that the email address is certainly not valid and you have recorded a valid but incorrect email address. This code may be on the hosting server and also contacted AJAX when individual buttons away from the email field. The entire check will certainly take lower than 2 seconds to manage and you can make certain that the email is actually proper.
  2. If email appeared the hosting server is going to react along witha 250 instead of 550
  3. There are actually certain servers along witha CATCH ALL OF email as well as this implies all email deal withare accepted as valid on their hosting servers (RARE however some web servers do possess this environment).
  4. Please perform certainly not utilize this procedure to constantly to check email for schedule of gmail/ yahoo/ msn profiles etc as this might trigger your Internet Protocol to be included in a blacklist.
  5. This is to muscle building supplement the common email handle javascript verification.