25
TCP
SMTP
Simple Mail Transfer Protocol
⚠️ Security: DependsStatus: Active📧 Category: Mail
📋 Basic Information
- Port Number
- 25
- Protocol
- TCP
- Service
- SMTP
- Popularity
- 🔥 High
🔒 Security Information
💡
Security Notes
Use SMTP with TLS encryption (STARTTLS)
🔗 Related Ports
587🔥
SMTP-SUBMISSION
SMTP Message Submission
TCP
Mail submission port with STARTTLS encryption
🔒 Security: Secure📧 Category: Mail
465🔥
SMTPS
SMTP over SSL
TCP
SMTP over SSL for secure email transmission (legacy method)
🔒 Security: Secure📧 Category: Mail
110
POP3
Post Office Protocol v3
TCP
Standard protocol for receiving email from mail servers
🔓 Security: Insecure📧 Category: Mail
143🔥
IMAP
Internet Message Access Protocol
TCP
Internet Message Access Protocol for managing email on servers
🔓 Security: Insecure📧 Category: Mail