On Feb 1, 2006, at 9:56 AM, Lisa Casey wrote:
Hi Gabor,
I'd suggest using courier-imap or something else instead of
qpopper. Afaik, qpopper supports only the mailbox format, which is
slower and less secure than the maildir format used by modern pop3/
imap servers. Courier-imap has a pop3 and an imap part, both of
them have SSL support and are easily configurable. Your company
migth benefit from running an imap server too. It has a bunch of
advantages over pop3, so this might make your users feel more
appreciated.
I agree you have a pointg here, my main concerns are:
1) I'm used to Sendmail/Qpopper. I'm used to installing these,
maintaining these and troubleshooting these. I also want changing
over the mail server to be as seamless as possible for our
customers. So I don't really want to add a Courier-imap learning
curve (for both myself and my customers) right on top of things.
It is easy and the customers don't have to know you made the change.
They still access everything over pop the sme way they always have.
I made the change about 4-5 years ago and no-one knew the difference.
2) I also am used to (and kind of like) having all of the mailboxes
in one location on the system (/var/mail/). How much of a
performance hit is there in mbox mailboxes vs mdir format mailboxes?
You can do that. maildir uses a dir as a cirtual mailbox so you
would have (in a simple case -- you can make it more hierarchical)
/var/mail/user1/
/var/mail/user2/
etc
where user1 and user2 and userN are all dirs instead of monolithic
files. maildir has the advantage that you can easily go in and fix
issues in a users mailbox without disturbing the single monolithic
file, which no longer exists.
courier-imap (which supports both pop and imap in the package) can be
configurede to put your mail anywhere you darn well please.
Chad
Lisa Casey
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---
Chad Leigh -- Shire.Net LLC
Your Web App and Email hosting provider
chad at shire.net
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