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Re: weird pine message



On Thu, 19 Dec 1996, Amos Shapira wrote:

>Alexandre Khalil <iskandar@EESUN2.tamu.edu> wrote:
>|On Thu, 19 Dec 1996, Ira Abramov wrote:
>|
>|>[Error creating /var/spool/mail/ira.lock.850999139.6405.ard: Permission
>|>denied]
>|
>|  You could allow the same permissions on /var/spool/mail as on /tmp,
>|that is 1777
>|
>|#ls -ld /var/spool/mail
>|drwxr-xr-t   3 root     mail         2048 Dec  6 12:25 /var/spool/mail/
>|
>|# chmod 1777 /var/spool/mail
>|
>|#ls -ld /var/spool/mail
>|drwxrwxrwt   3 root     mail         2048 Dec  6 12:25 /var/spool/mail/
>|
>|  Otherwise, you might have to recompile pine to have it create the lock
>|file in /tmp.
>|
>|  Over here, we preferred the first solution because popper and some
>|odd-ball mailers also put lock files in the mail directory.  Also, the
>|users can recreate their mailbox should anything happen to the original
>|one.  Yes, quota is turned on on the mail partition.

>I assume you suggest this so the sticky bit will prevent people from
>touching other people's mailboxes.  But what about the following
>scenario:

>1. user A doesn't have a mailbox
>2. user B does "touch /var/spool/mail/A"
>3. user A recieved mail.
>
>Won't user B be able to read user A's mail?
>
>If I got it right, Debian solved the problem by making /var/spool/mail
>group-writable to the "mail" group, and making all the right processes
>belong to that group (e.g. in.pop3d).

  You are right.

  I will change the permissions and recompile the delivery programs that
complain.

alex



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