| Server Name
and version |
SMTP (AUTH command) | POP3 | IMAP4 | IMSP/ACAP | Comments |
| Sendmail | Since 8.10:
CRAM-MD5, DIGEST-MD5, PLAIN, LOGIN, GSSAPI, Since 8.12: + EXTERNAL |
N/A | N/A | N/A | Uses Cyrus-SASL |
| Postfix (since snapshot-20000314 or release-20010228) | CRAM-MD5,
DIGEST-MD5, PLAIN, LOGIN, GSSAPI |
N/A | N/A | N/A | Uses Cyrus-SASL |
| UW 4.6 Beta | N/A | LOGIN
CRAM-MD5, GSSAPI (KERBEROS V5), |
LOGIN
CRAM-MD5, GSSAPI (KERBEROS V5), |
N/A | |
| Cyrus v1.5.17-027 | (experimental serv.)
KERBEROS_V4, CRAM-MD5 |
KERBEROS_V4 | KERBEROS_V4,
DIGEST-MD5, CRAM-MD5, SCRAM-MD5, |
KERBEROS_V4/ ANONYMOUS | |
| Simeon Message Service (SMS) 2.1 | N/A |
PLAIN CRAM-MD5, KERBEROS_V4 |
PLAIN CRAM-MD5, KERBEROS_V4 |
CRAM-MD5/ N/A | |
| MessagingDirect M-Store 3.X/4.X | N/A |
PLAIN CRAM-MD5, KERBEROS_V4, DIGEST-MD5, GSSAPI |
PLAIN CRAM-MD5, KERBEROS_V4, DIGEST-MD5, GSSAPI |
N/A | Next revision of SMS |
| Microsoft Exchange Server V5.5 | LOGIN | PLAIN,
NTLM, DPA |
PLAIN,
NTLM, DPA |
N/A | NTLM and DPA are not yet registered with IANA |
| Innosoft PMDF 5.2 | DIGEST-MD5,
CRAM-MD5, PLAIN, LOGIN |
DIGEST-MD5,
CRAM-MD5, PLAIN, LOGIN |
DIGEST-MD5,
CRAM-MD5, PLAIN, LOGIN |
N/A | LOGIN will be disabled by default.
Innosoft PMDF 5.1 doesn't support any SASL. APOP is supported in 5.1 |
| Netscape Messenger 3.62 | LOGIN | LOGIN | LOGIN | N/A | |
| Eudora WorldMail 2.0 | - | CRAM-MD5 | CRAM-MD5 | N/A / PLAIN, CRAM-MD5 | ACAP Server is not true ACAP, but ACAP-like |
| Eudora Internet Mail Server 2.2.2 | CRAM-MD5 | - | - | N/A / CRAM-MD5 | POP3 supports APOP. ACAP Server is not true ACAP, but ACAP-like |
| CentreNET AT-Mail Server v1.1 | ? | ? | CRAM-MD5 | ? | |
| cc:Mail IMAP Connector | N/A | N/A | CRAM-MD5 | N/A | |
| VOPmail
1.0.174 |
LOGIN,
NTLM, CRAM-MD5, SCRAM-MD5 |
LOGIN,
NTLM, CRAM-MD5, SCRAM-MD5 |
LOGIN,
NTLM, CRAM-MD5, SCRAM-MD5 |
N/A | |
| CDC Intrastore | - | ANONYMOUS,
CRAM-MD5, SKEY |
ANONYMOUS,
CRAM-MD5, SKEY |
POP3 also supports APOP. | |
| Software.com InterMail 4.1 | PLAIN | PLAIN | PLAIN | N/A | |
| Communigate Pro | PLAIN,
LOGIN, CRAM-MD5, DIGEST-MD5 |
PLAIN,
LOGIN, CRAM-MD5, DIGEST-MD5, NTLM |
PLAIN,
LOGIN, CRAM-MD5, DIGEST-MD5, NTLM |
PLAIN,
LOGIN, CRAM-MD5, DIGEST-MD5, NTLM |
DIGEST-MD5 is supported since 3.4.4,
NTLM is implemented in 3.5b1 |
| Critical Path (formerly Isocor) InScribe Messaging Server (formerly N-Plex) 5.1 | LOGIN
CRAM-MD5 |
CRAM-MD5 | CRAM-MD5 | N/A | |
| Infinite Interchange 3.51 | - | - | LOGIN
CRAM-MD5 |
N/A | |
| MailSuite SQL Enterprise 2.1.5 | CRAM-MD5 | CRAM-MD5 | CRAM-MD5 | N/A | |
| Open Mail 5.10 | - | - | - | N/A | |
| Sun Internet Mail Server 4.0 | PLAIN | PLAIN | PLAIN | N/A | |
| QPopper 3.0 | N/A | SCRAM, APOP | N/A | N/A | |
| Exim 3.10 | CRAM-MD5 | N/A | N/A | N/A | |
| VPOP3 | LOGIN | PLAIN,
LOGIN, APOP |
PLAIN,
LOGIN |
N/A | Plan to add CRAM-MD5 to all supported protocols |
| Hermes Mail Server | CRAM-MD5 | - | N/A | N/A | |
| IPSwitch IMail Server 4.0 | - | - | - | N/A | |
| Mercur 3.0 | - | - | - | N/A | |
| NT Mail 3.03C | - | - | - | N/A | |
| qmail | - | - | - | N/A |
| Server Name and version | LDAP SASL | Comments |
| LDAPv3 Distributed Directory Server | CRAM-MD5 | |
| iPlanet Directory Server | EXTERNAL | |
| Microsoft Active Directory | GSSAPI,
GSS-SPNEGO |
|
| OpenLDAP 2.0.7 | all CMU SASL library can do | |
| IBM SecureWay Directory Server | CRAM-MD5,
GSSAPI, EXTERNAL |
| Legend |
| * - mechanism will be supported in the next release |
| ? - No Information |
| - - Server doesn't support any SASL |
| N/A - Not Applicable (i.e. such server doesn't exist) |
| recent updates are marked purple |
I want to see IETF standard related pages
If you want to add/update information, send me email
List composed by Alexey Melnikov.
Feel free to send me comments, corrections and additions to this list.
Information published on this page is for developers use only. It is
prohibited to use this information for commercial purposes.
Last updated 1 June 2002
Thank you to Claus Assmann <ca at sendmail.org> for hosting my technical pages
Thank you to all people who sent me updates