Port 143 IMAP
Internet Message Access Protocol
About Port 143
IMAP allows email clients to access and manage messages stored on a mail server. Unlike POP3, IMAP supports folder management and keeps messages on the server.
Security Notes
Plain IMAP transmits credentials in clear text. Always use IMAPS (port 993) with TLS encryption.
Total Hosts
13.2M
TLS Encrypted
0.0%
Vulnerable Hosts
49.6K
Countries
10+
Top Services
| imap | 12,909,555 |
| nagios-nsca | 249,012 |
| ssh | 17,266 |
| mysql | 2,629 |
| unknown | 2,117 |
| eggdrop | 1,742 |
| imap-proxy | 1,543 |
| mongodb | 1,482 |
| smtp | 1,192 |
| telnet | 1,117 |
Top Countries
 United States |
2,746,201 |
 Germany |
1,654,978 |
 Japan |
787,007 |
 Netherlands |
655,617 |
 France |
537,509 |
 United Kingdom |
511,585 |
 Poland |
353,201 |
 Canada |
323,178 |
 Romania |
279,688 |
 Russia |
274,168 |
Top Products
| Dovecot imapd | 8,800,246 |
| Dovecot | 1,020,378 |
| Courier Imapd | 569,227 |
| IMAP | 438,034 |
| Nagios NSCA | 249,012 |
| Microsoft Exchange 2007-2010 imapd | 100,565 |
| Cyrus imapd | 84,954 |
| SmarterMail imapd | 80,477 |
| Kerio Connect imapd | 60,500 |
| Microsoft Exchange | 34,125 |