postfix can not start

Daniel J. Luke dluke at
Mon Apr 20 07:25:22 PDT 2009

You upgrade mysql and it removed a library that postfix depended on. (/ 

When you removed and re-installed postfix, it found the newer mysql  
library and worked again.

One way of dealing with this sort of thing would be to have a staging  
server where you can test upgrades before you push them to your  
production machine (or if you have a cluster, you might be able to  
remove one machine from the cluster, test the upgrade on it, and move  
it back into the cluster once you are confident that the upgrade  

On Apr 20, 2009, at 6:52 AM, Scott Haneda wrote:
> I uninstalled postfix, and put it back in, this all went away.  I  
> would like to know what caused this, and how to avoid it.  These are  
> often going to be production servers, and things like this happening  
> would be bad.  If I know what is going on, I can prepare for them  
> and make sure I do not mess up alone the way.
> Thanks.
> On Apr 20, 2009, at 3:11 AM, Scott Haneda wrote:
>> $port -v
>> MacPorts 1.710
>> $port installed | grep -i postfix
>> postfix @2.5.5_0+darwin_9+dovecot_sasl+ldap+mysql5+tls (active)
>> $whereis postfix
>> /usr/sbin/postfix
>> * Is whereis hard coded in standard paths, and that is not  
>> something I can change?
>> $which postfix
>> /opt/local/sbin/postfix
>> $echo $PATH
>> /opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/ 
>> local/bin:/usr/X11/bin
>> $sudo /opt/local/sbin/postfix start
>> dyld: Library not loaded: /opt/local/lib/mysql5/mysql/ 
>> libmysqlclient.16.dylib
>> Referenced from: /opt/local/sbin/postfix
>> Reason: image not found
>> Trace/BPT trap

Daniel J. Luke
| *---------------- dluke at ----------------* |
| *-------------- -------------* |
|   Opinions expressed are mine and do not necessarily   |
|          reflect the opinions of my employer.          |

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