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by Ng Pheng Siong.
Original Post: SqWebMail
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SqWebMail is a web
interface to maildirs,
i.e., it is a webmail system that works directly with maildirs, instead of
via POP or IMAP.
Its main program is implemented in C and is deployed as a CGI
program. It is supported by a number of auxiliary programs variously
written in C, C++, Perl and shell.
SqWebMail is bundled with the Courier
MTA and is also available as a separate package. In my case, I
downloaded the standalone SqWebMail package for the purpose of integrating
it with XMail.
Scanning through SqWebMail's INSTALL file, the big question is, "How do I
get SqWebMail to use XMail's maildirs?"
SqWebMail supports both system accounts and virtual accounts. Virtual
accounts may be managed via LDAP, MySQL, PostgreSQL or GDBM/DB files. I
certainly won't use system accounts for this purpose, nor do I intend to
put up LDAP, MySQL or PostgreSQL just for authentication. So I'm left with
GDBM/DB files.
As it turns out, SqWebMail's GDBM/DB-based system, called userdb, is implemented to be a complete replacement for the /etc/passwd system. INSTALL claims, "/etc/userdb can also be used to completely supercede /etc/passwd. With many accounts it can be quite a drain to have to continuously linearly scan /etc/passwd in order to look up an account. Instead, a fast database lookup can retrieve the same information from the database file." Hmmm, I believe the claim about /etc/passwd isn't true on modern Unixen, but anyways, let's forge ahead.
So SqWebMail locates its maildirs according to the information in userdb.
Should be no problem pointing them to XMail's maildirs, then.
(To be continued when I get back from vacation...)