Hello, is somebody using MIT’s Kerberized Post Office Protocol offered by Cyrus IMAP (cmd="pop3d -k")? This thing runs on a different port than POP3. I cannot find in internet description of the protocol, or MUAs which support it. This is the text I found in Internet for KPOP: According to https://en.wikipedia.org/wiki/Post_Office_Protocol this is “In computing, local e-mail clients can use the Kerberized Post Office Protocol (KPOP), an application-layer Internet standard protocol, to retrieve e-mail from a remote server over a TCP/IP connection. The KPOP protocol is based on the POP3 protocol – differing in that it adds Kerberos security and that it runs by default over TCP port number 1109 instead of 110. One mail server software implementation is found in the Cyrus IMAP server. ” https://www.emailondeck.com/b/The-Development-and-Evolution-of-Post-Office-Protocol-POP-in-Email says for KPOP The Kerberized Post Office Protocol (KPOP) is a modification of the Post Office Protocol (POP) that includes Kerberos authentication capability. Kerberos is a secure authentication mechanism that enables users to access network resources without disclosing their passwords in plaintext over the network. Using KPOP, clients can authenticate to a mail server using Kerberos credentials instead of transmitting plaintext passwords over the network. This adds an additional layer of protection for POP connections, making it harder for an attacker to intercept and obtain credentials. KPOP is primarily utilized in situations where Kerberos is already deployed, and it enables single sign-on for email clients. KPOP is an older protocol that is not as widely supported as current email protocols, such as IMAP and SMTP, which have built-in security improvements. Additionally, because KPOP is less prevalent than other email protocols, it is unlikely to be supported by the majority of email clients and servers. Greetings Дилян ------------------------------------------ Cyrus: Info Permalink: https://cyrus.topicbox.com/groups/info/Tb63d9a1ac6df7bde-M27ce43fbcdb670cc3b9f86c4 Delivery options: https://cyrus.topicbox.com/groups/info/subscription
