https://github.com/lostsh/mail-checker

Small bash script to check whether or not an email exist using telnet and dig
https://github.com/lostsh/mail-checker

mail-checker mailing mailserver osint osint-tool telnet

Last synced: 17 days ago
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Small bash script to check whether or not an email exist using telnet and dig

• Host: GitHub
• URL: https://github.com/lostsh/mail-checker
• Owner: lostsh
• Created: 2024-03-29T21:28:03.000Z (10 months ago)
• Default Branch: main
• Last Pushed: 2024-03-31T13:50:07.000Z (10 months ago)
• Last Synced: 2025-01-17T10:42:24.549Z (20 days ago)
• Topics: mail-checker, mailing, mailserver, osint, osint-tool, telnet
• Language: Shell
• Homepage:
• Size: 5.86 KB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# mail-checker

Use `telnet` and `dig` to check on the mail server if given email are valid.

Dependecies :

- dig >=_9.10_

- telnet

## Usage

```bash

[ = ] Help Usage: ./mailcheck.sh [OPTION] ...

[ i ] Check if email is in mail server records (telnet dig)

        -h --help                Display this help page

        AUTO MODE:               Check if given email is in mail server records

        PIPE MODE:               Check for each email from pipe (separator:EOF)

        MANUAL MODE:

        -e --email               Check on the previously set email server (default: gmail)

        -d --domain              Set email server by extracting it from dns record of the domain

        -s --mx-server           Set the given email server to checking server

Info: to avoid anti-spam protection take mesures (proxy...)

```

## Example

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|![image](https://github.com/lostsh/mail-checker/assets/43549864/016d4cc3-f0ac-41ce-b9d8-899a669d9243)|![image](https://github.com/lostsh/mail-checker/assets/43549864/8deb23f0-0032-44ef-b302-96c229ad7bcb)|