Top 3 smtp-checker open source projects

SMTP and IMAP checker / cracker for mailpass combolists with a user-friendly GUI, automated inbox test and many more features.

Find existing email addresses by nickname using API/SMTP checking methods without user notification. Please, don't hesitate to improve cat's job! 🐱🔎 📬

[NEW] : Simple Mail Transfer Protocol (SMTP) CHECKER - CRACKER Tool V2