postfix check warnings on new Ubuntu 16.04 install

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postfix check warnings on new Ubuntu 16.04 install

Michael Fox
I'm building a new 16.04 machine using the distro package for postfix
(v3.1.0).  The main.cf and master.cf files are still at defaults.  

I ran "postfix check" and it's listing warnings about some library files.
This didn't happen on Ubuntu 14.04.  

I don't understand what it's trying to tell me or what I need to do about
it.  The output is below.  Should I do something about this and, if so,
what?

Thanks in advance,
Michael

$ sudo postfix check
postfix: Postfix is running with backwards-compatible default settings
postfix: See http://www.postfix.org/COMPATIBILITY_README.html for details
postfix: To disable backwards compatibility use "postconf
compatibility_level=2" and "postfix reload"
postfix/postfix-script: warning: group or other writable:
/usr/lib/postfix/./sbin/lmtp
postfix/postfix-script: warning: group or other writable:
/usr/lib/postfix/./libpostfix-dns.so.1
postfix/postfix-script: warning: group or other writable:
/usr/lib/postfix/./libpostfix-global.so.1
postfix/postfix-script: warning: group or other writable:
/usr/lib/postfix/./libpostfix-master.so.1
postfix/postfix-script: warning: group or other writable:
/usr/lib/postfix/./libpostfix-util.so.1
postfix/postfix-script: warning: group or other writable:
/usr/lib/postfix/./libpostfix-tls.so.1
postfix/postfix-script: warning: group or other writable:
/usr/lib/postfix/sbin/./lmtp
$
$ ls -l /usr/lib/postfix
total 764
lrwxrwxrwx 1 root root     23 Apr 13  2016 libpostfix-dns.so.1 ->
libpostfix-dns.so.1.0.1
-rw-r--r-- 1 root root  26968 Apr 13  2016 libpostfix-dns.so.1.0.1
lrwxrwxrwx 1 root root     26 Apr 13  2016 libpostfix-global.so.1 ->
libpostfix-global.so.1.0.1
-rw-r--r-- 1 root root 281152 Apr 13  2016 libpostfix-global.so.1.0.1
lrwxrwxrwx 1 root root     26 Apr 13  2016 libpostfix-master.so.1 ->
libpostfix-master.so.1.0.1
-rw-r--r-- 1 root root  39472 Apr 13  2016 libpostfix-master.so.1.0.1
lrwxrwxrwx 1 root root     23 Apr 13  2016 libpostfix-tls.so.1 ->
libpostfix-tls.so.1.0.1
-rw-r--r-- 1 root root 103344 Apr 13  2016 libpostfix-tls.so.1.0.1
lrwxrwxrwx 1 root root     24 Apr 13  2016 libpostfix-util.so.1 ->
libpostfix-util.so.1.0.1
-rw-r--r-- 1 root root 264504 Apr 13  2016 libpostfix-util.so.1.0.1
-rwxr-xr-x 1 root root  13052 Apr 13  2016 postfix_groups.pl
-rw-r--r-- 1 root root  18560 Apr 13  2016 postfix-pcre.so.1.0.1
-rw-r--r-- 1 root root  14504 Apr 13  2016 postfix-sqlite.so.1.0.1
drwxr-xr-x 2 root root   4096 Jul 23 08:41 sbin
$
$ postconf -d | grep mail_version
mail_version = 3.1.0
milter_macro_v = $mail_name $mail_version


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Re: postfix check warnings on new Ubuntu 16.04 install

Scott Kitterman-4


On August 9, 2017 2:03:47 PM EDT, Michael Fox <[hidden email]> wrote:

>I'm building a new 16.04 machine using the distro package for postfix
>(v3.1.0).  The main.cf and master.cf files are still at defaults.  
>
>I ran "postfix check" and it's listing warnings about some library
>files.
>This didn't happen on Ubuntu 14.04.  
>
>I don't understand what it's trying to tell me or what I need to do
>about
>it.  The output is below.  Should I do something about this and, if so,
>what?
>
>Thanks in advance,
>Michael
>
>$ sudo postfix check
>postfix: Postfix is running with backwards-compatible default settings
>postfix: See http://www.postfix.org/COMPATIBILITY_README.html for
>details
>postfix: To disable backwards compatibility use "postconf
>compatibility_level=2" and "postfix reload"
>postfix/postfix-script: warning: group or other writable:
>/usr/lib/postfix/./sbin/lmtp
>postfix/postfix-script: warning: group or other writable:
>/usr/lib/postfix/./libpostfix-dns.so.1
>postfix/postfix-script: warning: group or other writable:
>/usr/lib/postfix/./libpostfix-global.so.1
>postfix/postfix-script: warning: group or other writable:
>/usr/lib/postfix/./libpostfix-master.so.1
>postfix/postfix-script: warning: group or other writable:
>/usr/lib/postfix/./libpostfix-util.so.1
>postfix/postfix-script: warning: group or other writable:
>/usr/lib/postfix/./libpostfix-tls.so.1
>postfix/postfix-script: warning: group or other writable:
>/usr/lib/postfix/sbin/./lmtp
>$
>$ ls -l /usr/lib/postfix
>total 764
>lrwxrwxrwx 1 root root     23 Apr 13  2016 libpostfix-dns.so.1 ->
>libpostfix-dns.so.1.0.1
>-rw-r--r-- 1 root root  26968 Apr 13  2016 libpostfix-dns.so.1.0.1
>lrwxrwxrwx 1 root root     26 Apr 13  2016 libpostfix-global.so.1 ->
>libpostfix-global.so.1.0.1
>-rw-r--r-- 1 root root 281152 Apr 13  2016 libpostfix-global.so.1.0.1
>lrwxrwxrwx 1 root root     26 Apr 13  2016 libpostfix-master.so.1 ->
>libpostfix-master.so.1.0.1
>-rw-r--r-- 1 root root  39472 Apr 13  2016 libpostfix-master.so.1.0.1
>lrwxrwxrwx 1 root root     23 Apr 13  2016 libpostfix-tls.so.1 ->
>libpostfix-tls.so.1.0.1
>-rw-r--r-- 1 root root 103344 Apr 13  2016 libpostfix-tls.so.1.0.1
>lrwxrwxrwx 1 root root     24 Apr 13  2016 libpostfix-util.so.1 ->
>libpostfix-util.so.1.0.1
>-rw-r--r-- 1 root root 264504 Apr 13  2016 libpostfix-util.so.1.0.1
>-rwxr-xr-x 1 root root  13052 Apr 13  2016 postfix_groups.pl
>-rw-r--r-- 1 root root  18560 Apr 13  2016 postfix-pcre.so.1.0.1
>-rw-r--r-- 1 root root  14504 Apr 13  2016 postfix-sqlite.so.1.0.1
>drwxr-xr-x 2 root root   4096 Jul 23 08:41 sbin
>$
>$ postconf -d | grep mail_version
>mail_version = 3.1.0
>milter_macro_v = $mail_name $mail_version

We (the Debian Postfix maintainers) got this resolved, but not for that version (Ubuntu Postfix packages are synched from Debian based on Ubuntu schedule).  These are cosmetic and won't cause actual problems.

Scott K
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RE: postfix check warnings on new Ubuntu 16.04 install

Michael Fox
Thanks for the speedy response, Scott.

M

> -----Original Message-----
> From: [hidden email] [mailto:owner-postfix-
> [hidden email]] On Behalf Of Scott Kitterman
> Sent: Wednesday, August 9, 2017 2:54 PM
> To: [hidden email]
> Subject: Re: postfix check warnings on new Ubuntu 16.04 install
>
>
>
> On August 9, 2017 2:03:47 PM EDT, Michael Fox <[hidden email]> wrote:
> >I'm building a new 16.04 machine using the distro package for postfix
> >(v3.1.0).  The main.cf and master.cf files are still at defaults.
> >
> >I ran "postfix check" and it's listing warnings about some library
> >files.
> >This didn't happen on Ubuntu 14.04.
> >
> >I don't understand what it's trying to tell me or what I need to do
> >about
> >it.  The output is below.  Should I do something about this and, if so,
> >what?
> >
> >Thanks in advance,
> >Michael
> >
> >$ sudo postfix check
> >postfix: Postfix is running with backwards-compatible default settings
> >postfix: See http://www.postfix.org/COMPATIBILITY_README.html for
> >details
> >postfix: To disable backwards compatibility use "postconf
> >compatibility_level=2" and "postfix reload"
> >postfix/postfix-script: warning: group or other writable:
> >/usr/lib/postfix/./sbin/lmtp
> >postfix/postfix-script: warning: group or other writable:
> >/usr/lib/postfix/./libpostfix-dns.so.1
> >postfix/postfix-script: warning: group or other writable:
> >/usr/lib/postfix/./libpostfix-global.so.1
> >postfix/postfix-script: warning: group or other writable:
> >/usr/lib/postfix/./libpostfix-master.so.1
> >postfix/postfix-script: warning: group or other writable:
> >/usr/lib/postfix/./libpostfix-util.so.1
> >postfix/postfix-script: warning: group or other writable:
> >/usr/lib/postfix/./libpostfix-tls.so.1
> >postfix/postfix-script: warning: group or other writable:
> >/usr/lib/postfix/sbin/./lmtp
> >$
> >$ ls -l /usr/lib/postfix
> >total 764
> >lrwxrwxrwx 1 root root     23 Apr 13  2016 libpostfix-dns.so.1 ->
> >libpostfix-dns.so.1.0.1
> >-rw-r--r-- 1 root root  26968 Apr 13  2016 libpostfix-dns.so.1.0.1
> >lrwxrwxrwx 1 root root     26 Apr 13  2016 libpostfix-global.so.1 ->
> >libpostfix-global.so.1.0.1
> >-rw-r--r-- 1 root root 281152 Apr 13  2016 libpostfix-global.so.1.0.1
> >lrwxrwxrwx 1 root root     26 Apr 13  2016 libpostfix-master.so.1 ->
> >libpostfix-master.so.1.0.1
> >-rw-r--r-- 1 root root  39472 Apr 13  2016 libpostfix-master.so.1.0.1
> >lrwxrwxrwx 1 root root     23 Apr 13  2016 libpostfix-tls.so.1 ->
> >libpostfix-tls.so.1.0.1
> >-rw-r--r-- 1 root root 103344 Apr 13  2016 libpostfix-tls.so.1.0.1
> >lrwxrwxrwx 1 root root     24 Apr 13  2016 libpostfix-util.so.1 ->
> >libpostfix-util.so.1.0.1
> >-rw-r--r-- 1 root root 264504 Apr 13  2016 libpostfix-util.so.1.0.1
> >-rwxr-xr-x 1 root root  13052 Apr 13  2016 postfix_groups.pl
> >-rw-r--r-- 1 root root  18560 Apr 13  2016 postfix-pcre.so.1.0.1
> >-rw-r--r-- 1 root root  14504 Apr 13  2016 postfix-sqlite.so.1.0.1
> >drwxr-xr-x 2 root root   4096 Jul 23 08:41 sbin
> >$
> >$ postconf -d | grep mail_version
> >mail_version = 3.1.0
> >milter_macro_v = $mail_name $mail_version
>
> We (the Debian Postfix maintainers) got this resolved, but not for that
> version (Ubuntu Postfix packages are synched from Debian based on Ubuntu
> schedule).  These are cosmetic and won't cause actual problems.
>
> Scott K

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