Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
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check if email address exists
Email experts:
I have an old class list of emails for a reunion
I want to ensure that the addresses are current before sending out a notice for upcoming events
how could I check the servers to see if these emails still exist and to who they are registered?
Thanks
AJP
I have an old class list of emails for a reunion
I want to ensure that the addresses are current before sending out a notice for upcoming events
how could I check the servers to see if these emails still exist and to who they are registered?
Thanks
AJP
Asked:
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2 Solutions
You could try googling the email address too to see if any recent results come up (eg blog sites), but email addresses are commonly kept private so you won't get a good hit rate even for addresses that are still in use.
https://www.experts-exchange.com/questions/20254748/Ping-an-email-server-To-validate-email-acct-before-its-sent.html
....from 14 years ago hints at ways that this can be done....
either we have advanced to make it more difficult or easier!
Somebody knows something :)
....from 14 years ago hints at ways that this can be done....
either we have advanced to make it more difficult or easier!
Somebody knows something :)
Can't really do that.
There IS a RFC documented SMTP command that is supposed to verify an email address. (VRFY). Most contemporary email servers are set up to process this command, but tell lies, or give a useless response.
Probably all you can do is request delivery and read receipts. Analysis of these and bouncebacks will give you SOME useful info.
There IS a RFC documented SMTP command that is supposed to verify an email address. (VRFY). Most contemporary email servers are set up to process this command, but tell lies, or give a useless response.
Probably all you can do is request delivery and read receipts. Analysis of these and bouncebacks will give you SOME useful info.
Not the answers I was hoping for.
I looked around and found that it may be possible to eliminate/confirm a subset of the list through a mufti -step process with the right scripts...
Since this is a friendly undertaking we will simply send out a request to reply and hope that the interested folks check their email regularly.
Thanks People
I looked around and found that it may be possible to eliminate/confirm a subset of the list through a mufti -step process with the right scripts...
Since this is a friendly undertaking we will simply send out a request to reply and hope that the interested folks check their email regularly.
Thanks People
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You could check the MX records for the domain to see if they are defined, and if so if the specified server is responding. Bear in mind though that servers can go down temporarily, so a server not responding isn't necessarily an indication the address won't work at some point in the near future.
I suppose you could approach it from a non-technical angle and look up each person in Facebook, LinkedIn, Google+ etc to try to find their current contact details, but that's very labour intensive.
If it was me, I'd probably just try sending the emails, and then deal with the bounced messages.