Cameron Laird's personal notes on mail delivery agents
For more on this subject, see
articles in SunWorld Online.
Unix-hosted mail delivery agent (MDA) should I use?
... I'm starting to collect comparative data on these:
As reader Cem Celebiler rightly points out, among the capabilities
of most interest to ISPs are
I'm planning to explain these aspects later in May.
- multiple domain support (with multiple IPs or single IPs)
- flexible authentication options (unix /etc/passwd, PAM,
[Explain protocols, related resources.]
Several authentication methods have been coded, including
Radius, TACACS, and native NT Domain authentication.
The account "cyrus" owns the message store.
Status as of the beginning of June 1999: support for mail spools in
home directories, shadow passwords, and PAM authentication.
Imminent: APOP, and perhaps virtual domains. IDS POP is GPLed.
NMS can authenticate against LDAP.
[See also MTA-related references.]
Sometimes I refer to Qualcomm's official
qpopper doesn't know about LDAP.
qpopper has its own Web page,
with useful mailing list, ...
qpopper reportedly can use APOP, MD5, ... My only experience
is in hacking in my own authentication; I don't yet know how
to use the distribution mechanisms.
SIMS can authenticate against LDAP.
Laird's personal notes on POP3 mail delivery