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Harm van Tilborg wrote:
> During the migration I've changed the hostname of the server, from
> mail.example.com to pop1.mail.example.com and pop2.mail.example.com. I
> can remember there were some problems from users by getting their mail
> (through qmail-pop3d). At that time, I've changed the server's hostname
> back to mail.example.com (at both servers), and every mail could be
> reached smoothly again by our customers.
The hostname of a system is not important, especially when dealing with
protocols for retrieving mail.
> Nowadays both servers are still called mail.example.com. However, I
> finally want to get rid of those names. So I was wondering what could
> have caused these problems?
Unfortunately, you haven't provided enough detail to even know what the
problems were, let alone enough to provide a possible solution.
> vdelivermail generates the mail's new filename, based on the hostname,
> process id, timestamp and perhaps the Maildir++'s 'S=yyyy'. I was
> wondering whether any of the delivery agents (such qmail-pop3d or
> bincimap) makes use of the hostname to give out such mails.
qmail-pop3d is not a delivery agent, nor is bincimap.
> Or was this maybe a misbehavior of vpopmail around those version numbers.
The Maildir specification does not specify the format for message filenames,
it simply states they are unique. How you arrive at a unique filename is
entirely up to the delivery process. Processes reading these files, like
a POP3 or IMAP server, do not care what the filename is.
Therefore, unless vpopmail was trying to re-create the same filenames over
and over, there was no misbehavior in previous versions.
Matt Brookings <m...@inter7.com> GnuPG Key D9414F70
Software developer Systems technician
Inter7 Internet Technologies, Inc. (815)776-9465
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