Re: Query for valid email

2016-04-29 Thread Skip Kimpel
Overall, it sounds like this may not be a good path to down as the remote server might consider me to be a spammer and I have the potential of getting my IP blocked. Possible but not recommend is my takeaway from this. Thank you everybody for your research and input. SKIP On Fri, Apr 29, 2016

Re: Query for valid email

2016-04-29 Thread Bob Sneidar
I should also mention that telnet that is built into Windows does not have any SSL libraries built in, so even if you knew how to use TL in a telnet session, you wouldn't be able to do it. There is however a utility called SMTPConsole, which is free. The author compiled a telnet client with

Re: Query for valid email

2016-04-29 Thread Bob Sneidar
This advice in this article works if the mail server does not encrypt or use authentication, and almost all internet accessible servers do. After EHLO, you would need to enable TLS, then log in. If you did not do this the server would disconnect as soon as you used MAIL FROM:. Also, this only

Re: Query for valid email

2016-04-29 Thread Simon Smith
You can use telnet to query a mail server to see if the account exists. https://www.webdigi.co.uk/blog/2009/how-to-check-if-an-email-address-exists-without-sending-an-email/ Simon On Fri, Apr 29, 2016 at 1:42 AM, Bob Sneidar wrote: > I don't think so. If it is a

Re: Query for valid email

2016-04-28 Thread Bob Sneidar
I don't think so. If it is a single server, and you can manage the server, I'd export a list of email addresses and that you can script. If not, then I would have bounce messages ruled into a particular mail folder. That way you can at least find a way to compile the bounced addresses. For

Re: Query for valid email

2016-04-27 Thread Mike Bonner
This might be useful.. http://lifehacker.com/5697360/how-to-verify-if-an-email-address-is-real-or-fake The synopsis is.. 1. nslookup to find the mx servers 2. open a port to one of the servers for the address in question and interact with it to find out if the account exists. Based on the article,

Query for valid email

2016-04-27 Thread Skip Kimpel
Is there a quick way to script out a process to validate if an email address is valid against the mail sever you are sending it to? We are trying to scrub a large list of old emails to see if they are still valid or not. Your input would be most appreciated.