[BUN-OX]

Can somebody teach me how to write a brute forcing program for different emails?

[Pylon]

Well I've not really done too much bruteforcing with python, but I can show you how it would be done. Join my server and PM me there!

Good luck!

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[JaINTP]

There is literally thousands of examples of email account crackers that leverage dictionary attacks on the forum, might I suggest the search button?

[Morphine]

Use smtplib to try bruteforcing for email like gmail, yahoo, aol etc

[hunter24957]

Can somebody teach me how to write a brute forcing program for different emails?

Like most people you'll find it's easier to teach yourself.
Start off with looking into the requests modules and experiment with logging into websites.
Once you've learned that find a method to validate the log in, say there's a piece of text that only shows up when you successfully log in, check for that within the html.
Then all you have to do is iterate through a list of combos and validate the login, assuming the site doesn't block your IP.

Use smtplib to try bruteforcing for email like gmail, yahoo, aol etc

SMTPLIB would not be a great choice due to the fact Gmail users have to enable it on their accounts.

[Null]

I don't think Bruteforcing is as effective atm as it used to be before.

[Sapience]

There is literally thousands of examples of email account crackers that leverage dictionary attacks on the forum, might I suggest the search button?

Maybe OP's main goal is not actually to crack emails, but to learn a little bit of Python while applying that to something "useful"?

[BUN-OX]

Pylon, what is your server?

[TheWarOwl]

Brute force via Wordlist? Or Brute force via every possible combination?

Both of which are easily Google-able.

[andmuchmore]

Here is an example of an extremely simple bruteforcer.
I used to use it for some CTF challenges.

Its not threaded but offers both dictionary attack or true bruteforce from a charset.

Code

https://pastebin.com/R26G2WBa