Port 110 POP3
Post Office Protocol v3
About Port 110
POP3 is used by email clients to retrieve messages from a mail server. It downloads messages to the client and typically removes them from the server.
Security Notes
POP3 transmits credentials in plaintext. Use POP3S (port 995) with TLS encryption instead.
Total Hosts
13.0M
TLS Encrypted
0.0%
Vulnerable Hosts
56.9K
Countries
10+
Top Services
| pop3 | 12,787,313 |
| http | 100,270 |
| redis | 56,893 |
| telnet | 14,754 |
| ssh | 11,752 |
| unknown | 5,515 |
| smtp | 3,736 |
| mysql | 2,702 |
| pop3-proxy | 2,668 |
| socks4 | 2,187 |
Top Countries
 United States |
2,695,037 |
 Germany |
1,500,311 |
 Japan |
882,493 |
 Netherlands |
689,321 |
 France |
511,158 |
 United Kingdom |
480,460 |
 Poland |
348,785 |
 Canada |
309,547 |
 Romania |
262,024 |
 Russia |
255,129 |
Top Products
| Dovecot pop3d | 7,215,890 |
| Dovecot | 1,673,067 |
| POP3 | 552,184 |
| Courier pop3d | 524,386 |
| Dovecot DirectAdmin pop3d | 513,053 |
| qmail pop3d | 461,216 |
| MailEnable POP3 Server | 251,749 |
| Proxy | 99,405 |
| SmarterMail pop3d | 81,942 |
| Microsoft Exchange 2007-2010 pop3d | 67,468 |