How to verify big email lists? Searching for cheap solution...

Coder

Coder

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Hi, don`t know where is the right place to post this thread, so I am sorry if needed mods, please move it to the right place.

So, i have big amount of email lists, targeted and want to clean invalid emails. I started campaigns with Mailgun but i am getting around 8% bounce rate, because of invalid/not existing mailboxes. In result of this my sending domain is getting limitation.

For this i tried some cracked apps but all are broken, because of important functions not working.
I have found many websites offering this service - WOW its stupid expensive.
Tried some command line apps but i need to run this over proxies - cannot find solution.

What do you use to verify your email lists? Please help mates!
 
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Don't know bro I am searching all my life with no result... I hope some furious master help us :rolleyes::alien::poop::suspicious::weep:;):(:mad::confused::cool::p:D:eek::oops:o_O:anyway::smirk::devil:
 
Let`s say my list #1 contains around 400 000, so it will be really expensive to verify it.... i have many lists so i will need to pay thousands of dollars...
 
Just build a little script:
Step 1: nslookup the mx-entry of the domain
Step 2: telnet port 25 of the mx-entry
Step 3: write a from and to statement and check the response.
Use a proxy or tor ip otherwise the host would maybe block you for too much requests.

Best luck
Mf
 
Marcel Freiberg said:
Just build a little script:
Step 1: nslookup the mx-entry of the domain
Step 2: telnet port 25 of the mx-entry
Step 3: write a from and to statement and check the response.
Use a proxy or tor ip otherwise the host would maybe block you for too much requests.

Best luck
Mf
Click to expand...
This is very usefull, thank you for writing this up. Can you kindly share more details on Step1 and Step 2?
 
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