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Sendmail/Elm getting errors in mail.log for specific user

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KPS
Super Advisor

Sendmail/Elm getting errors in mail.log for specific user

We're trying to figure out why a specific user when attempting to send mail is getting a "permission denied error". We send as root and all works well. Then we try another user and we get the following messages in the mail.log:

hash map "Alias0": unsafe map file /etc/mail/aliases.db: Permission denied
hash map "Alias0": unsafe map file /etc/mail/aliases.db: Permission denied
queuename: Cannot create "qfNAA23979" in "/var/spool/mqueue" (euid=155): Permission denied

We're having a hard time understanding what we have to do to correct this??? Would anyone know what this could be?

Thanks,

-Ken
6 REPLIES
Rick Garland
Honored Contributor

Re: Sendmail/Elm getting errors in mail.log for specific user

Permissions:ownerships

555 bin:bin /var
755 root:sys /var/spool
755 bin:bin /var/spool/mqueue

755 reoot:root /etc
555 bin:bin /etc/mail
640 root:bin /etc/mail/aliases.db
Uday_S_Ankolekar
Honored Contributor
Solution

Re: Sendmail/Elm getting errors in mail.log for specific user

It's most likely to do with permissions on few files and directories

Here is complete list
RESOLUTION

The following information lists the Sendmail-related files and
directories, as well as their associated permissions:

Filename/Description Permissions Owner Group
-------------------- ----------- ------ -----

/usr/sbin/sendmail r-sr-sr-t root mail
(Sendmail executable file)

/etc/mail r-xr-xr-x bin bin
(Sendmail configuration/
database directory)

/etc/mail/sendmail.cf r--r--r-- bin bin
(Sendmail configuration file)

/etc/mail/aliases rw-r--r-- root sys
(Aliases source file)

/etc/passwd r--r--r-- root sys
(Password file)

/etc/resolv.conf rw-r--r-- root sys

/etc/nsswitch.conf r--r--r-- root sys
(Nsswitch system call opens)

/var/spool/mqueue rwxr-xr-x bin bin
(Default queue directory)

/var/spool/mqueue/df* rw-------- root mail
(Message Data file)

/var/spool/mqueue/qf* rw-------- root mail
(Message control/queue file)

/var/mail rwxrwxr-x bin mail
(User's mailbox directory)

/var/tmp rwxrwxrwx bin bin
(Temp directory)


-USA..
Good Luck..
Steven E. Protter
Exalted Contributor

Re: Sendmail/Elm getting errors in mail.log for specific user

elm uses sendmail as a transport(MTA). Permissions need to be read only to the world for that to happen on the database files(aliases.db for example).

SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
KPS
Super Advisor

Re: Sendmail/Elm getting errors in mail.log for specific user

/usr/sbin/sendmail looks different than what you indicate here should be /usr/sbin/sendmail r-sr-sr-t root mail

That could be it. My /usr/sbin/sendmail is set to 755.

How do i go about setting that permission setting on that file with chmod?


James R. Ferguson
Acclaimed Contributor

Re: Sendmail/Elm getting errors in mail.log for specific user

Hi Ken:

To set the permissions to "r-sr-sr-t" do:

# chmod 7555 file

See the manpages for 'chmod' for more explanation.

Regards!

...JRF...
KPS
Super Advisor

Re: Sendmail/Elm getting errors in mail.log for specific user

That did it, setting /usr/bin/sendmail to 7555 changed the symptom. Thanks everyone. Now we have to figure out who/what changed the permissions on this.


Thanks again....

-KPS