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The Wednesday 2007-04-18 at 11:03 +0200, Sandy Drobic wrote:

> You have a problem with the tlsmgr. Please check that you indeed have an
> entry for tlsmgr:
> 
> /etc/postfix/master.cf:
> tlsmgr    unix  -       -       n       1000?   1       tlsmgr

Yep! It works now. At least, it doesn't complain of that, now I get new 
complaints:

Apr 18 14:09:21 nimrodel postfix/smtp[23556]: certificate verification 
failed for mx1.suse.de: num=19:self signed certificate in certificate 
chain

This is a never ending tale! :-)

I guess I would have to import their certificate somehow.


> Also run:
> postfix upgrade-configuration
> postfix set-permissions
> postfix check
> 
> This applies escpecially if you have upgraded your system from earlier
> versions of Suse.

Ah... ok. First I stop postfix and fetchmail... (oops, I stopped 
fetchmail while it was fetching)... make a backup... run that...

  nimrodel:/etc/postfix # postfix upgrade-configuration
  Editing /etc/postfix/master.cf, adding missing entry for discard service

      Note: the following files or directories still exist but are no
      longer part of Postfix:

       /etc/postfix/pcre_table /etc/postfix/regexp_table
  nimrodel:/etc/postfix # postfix set-permissions
  nimrodel:/etc/postfix # postfix check
  nimrodel:/etc/postfix # 

Done!

Sort by date, find what was modified...

  prng_exch  - what's this? A binary, not new, but new to me.
  master.cf


tls_random_exchange_name (default: ${config_directory}/prng_exch)
                                                                                
                            
    Name of the pseudo random number generator (PRNG) state file that is 
    maintained by tlsmgr(8). The file is created when it does not exist, 
    and its length is fixed at 1024 bytes.
                                                                                
                            
    Since this file is modified by Postfix, it should probably be kept in 
    the / var file system, instead of under $config_directory. The 
    location should not be inside the chroot jail.
                                                                                
                            
    This feature is available in Postfix 2.2 and later.

Curious! But it is kept in /etc/postfix.



  nimrodel:/etc/postfix # diff master.cf master.cf.old 
  150d149
  < discard         unix  -       -       n       -       -       discard
  nimrodel:/etc/postfix # 


A new entry! I wonder why Yast didn't do this while updating my system 
two months ago.

Send a test email... worked fine. Good! :-)



> You might also want to check if AppArmor is interfering.

Ah, yes, I tend to forget that one [...] no, nothing there.


> > I understand that using tsl for server is more complicated, defining keys, 
> > etc. But as a client, I thought it was easier. I must be missing 
> > something.
> > 
> > Ok... my config is thus (postconf | grep smtp_tls):
> 
> No certs are neccessary for Postfix to use TLS as a client.

I thought so.

> >    smtp_use_tls (default: no)                                               
> >                                 
> >     ...
> >     This feature is available in Postfix 2.2 and later. With 
> >      Postfix 2.3 and later use smtp_tls_security_level instead.
> > 
> 
> Yes, the setting is deprecated, for Postfix 2.3 upwards the parameter
> below should be used.
> 
> >   smtp_tls_security_level (default: empty)

I set it to "may", ie, oportunistic. It appears my provider doesn't allow 
tls, anyway.

- -- 
Cheers,
       Carlos E. R.
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