[EXIM] strange problem I think

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Author: Iqbal
Date:  
To: exim-users
Subject: [EXIM] strange problem I think
Hi

I have the following couple of lines in my configure file

group=exim
mode=0600 (well it was until the problem arose)

Now when anyone deleivered mail onto our machine to the local users, all
was fine, the permission on the mailbox was 0600 owned by the user, and
the group was exim, where everyuser was amemeber of the group exim.

However when mail was sent from Hotmail/yahoo (other I havent checked)
the mail failed, no errors in the reject_log none anywhere, its as if
the mail bypasses the primary server and then went straight to the
secondary. But mail sent from anywhere else in the world, from any
account, worked fine straight into the mailbox.

So to fix this (didn't know it was a fix at the time) I changed the
permission on the mailbox to 0644. This worked fine, people sending from
other isp's were fine everyone received mail, but when hotmail/yahoo got
in on the act, the first mail was delivered, but the second failed. The
reason for this was that the permissions had changed back. I presume
this had soimething to do with the mode setting above. But they only
change when hotmail gets in on the act.

To fix it I changed the mode to 0644, changed all the permissions, and
now everything is fine.

I just wanted to know why this is happening.

Iqbal

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