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Debian2009 · #1 21st April 2009, 06:41

I followed "The Perfect Server -Debian Lenny (Debia 5.0) [ISPConfig 2]" up to item 13: Courier IMAP / POP3.
When I run 'mkimapdcert', the following error message occurred.

When I restart the server, it seems there is no error during boot up.

Please advise if the error message will affect the functionality of the courier server.

Thanks

falko · #2 22nd April 2009, 14:17

You can ignore the error message.

Debian2009 · #3 22nd April 2009, 18:29

Thanks Falko.

I found that /usr/lib/courier/imapd.pem was softlink to /etc/courier/imapd.pem.
(same for pop3d.pem)

I tried the following:

rm both imapd.pem files, then run 'mkimapdcert'. Now error message. imapd.pem was generated in /usr/lib/courier/. Then I mv the pem file to /etc/courier/ and re-create the softlink.

Are these steps OK.

I am setting up this mail server for internal LAN use (not open to the internet). Is setting up courier SSL server of any use?

Whenever I connect to the mail server using an email client (outlook, thunderbird), a message pop up saying that the certificate is not from a trusted source. How can I let the email client know that the certificate can be trusted and avoid the pop up message?

Thanks in advance.

falko · #4 23rd April 2009, 23:52

Quote:

Originally Posted by Debian2009

rm both imapd.pem files, then run 'mkimapdcert'. Now error message. imapd.pem was generated in /usr/lib/courier/. Then I mv the pem file to /etc/courier/ and re-create the softlink.

Are these steps OK.

I think so.

Quote:

Originally Posted by Debian2009

I am setting up this mail server for internal LAN use (not open to the internet). Is setting up courier SSL server of any use?

I don't think you need SSL inside your LAN (unless you don't trust the users in your LAN).

Quote:

Originally Posted by Debian2009

How can I let the email client know that the certificate can be trusted and avoid the pop up message?

You'd have to buy a certificate from a trusted CA such as Verisign or InstantSSL.