This patch is needed to allow MS Outlook to use NTLM authentication with POP3. Sometimes this kludge is called "old-style SASL discovery". src/pop3-login/client-authenticate.c | 7 +++++++ 1 files changed, 7 insertions(+) diff -urpNX /usr/share/dontdiff dovecot-1.0-test30.vanilla/src/pop3-login/client-authenticate.c dovecot-1.0-test30/src/pop3-login/client-authenticate.c --- dovecot-1.0-test30.vanilla/src/pop3-login/client-authenticate.c 2004-07-27 10:03:24.000000000 +0400 +++ dovecot-1.0-test30/src/pop3-login/client-authenticate.c 2004-07-27 10:06:15.000000000 +0400 @@ -289,6 +289,13 @@ int cmd_auth(struct pop3_client *client, args = p+1; } + if (mech_name && !*mech_name && auth_client_find_mech(auth_client, "NTLM")) { + client_send_line(client, "+OK"); + client_send_line(client, "NTLM"); + client_send_line(client, "."); + return TRUE; + } + mech = auth_client_find_mech(auth_client, mech_name); if (mech == NULL) { client_send_line(client,