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This is the comment you were replying to, attached to the article Handling mail for non-system users with Exim4?:

#5 Re: Handling mail for non-system users with Exim4? Posted by Anonymous (82.153.xx.xx) on Fri 2 Dec 2005 at 08:44 I have a smilar setup and was also looking to give people mail accounts and not much more. However, instead of trying to convince exim and courier to use non-system accounts, I created a shell-users group and used the pam_access module to restrict ssh users as follows: In /etc/pam.d/ssh add the line: account required pam_access.so accessfile=/etc/security/shell-access.conf And then the file /etc/security/shell-access.conf contains: +:shell-users:ALL -:ALL:ALL Now, I feel a lot safer from all the attempts to crack my server by guessing ssh passwords. Still haven't found a good way to let these email users change their passwords yet ...

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