On 2020-05-11 21:45, Robert Moskowitz wrote:
>
>
> On 5/11/20 9:28 AM, Ed Greshko wrote:
>> On 2020-05-11 20:39, Robert Moskowitz wrote:
>>> And now you are paying the memory, cpu, etc. cost of having postfix running
>> Oh, well, I suppose I've never seen an idle postfix take up any noticeable 
>> CPU time or memory
>> on any of my systems.
>
> How can it not take up memory?  It may be swapped out, but there should be 
> something there watching port 25, at least.

It is rather tiny.  Taking up 0.7% of memory in a VM with 1.2G assigned to it.

>
> It does seem to be event triggered, like a connection to port 25 or whatever 
> other ports it is configured for.  So it would be idling for the post part.  
> But then when you use it for a simple MDA action, is it written modularly so 
> you only load what is needed?
>
> Yeah, not too bad.  But to configure postfix for only this function and to 
> protect against any misuse, is yet something else to do.

Misuse?  Listening only on 127.0.0.1 by default so only users on the machine it 
is running can abuse it.  :-)

>
> Plus writing my own script has been fun and educational!  ;)

Sounds like lots of fun.

>
> The problem is with cron. I am going to have to drop a note to Vixie; it has 
> been a couple years since the two of us have had fun sparing...  really he is 
> a great guy, and I learned a lot from him working on IETF mail and dns 
> workgroups.
>

Well, since cronie is a fork of vixie-cron he may not have much insight.

-- 
The key to getting good answers is to ask good questions.
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