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Date:      Thu, 09 May 2013 00:09:57 -0400
Subject:   Login.conf Limits not Applying for Postfix
Message-ID:  <>

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Hey list,

I have a pretty low resource usage for users on my system, thus I have some low limits set in my /etc/login.conf. Particularly "openfiles," which is set to 128 for the default class. However, I started getting errors from Postfix saying it has hit this limit:
"postfix/proxymap[97907]: warning: could allocate space for only 128 open files"

So I added a new class in my /etc/login.conf:


Yes, I did run `cap_mkdb /etc/login.conf` (multiple times, in fact). I stopped and restarted the postfix daemon. I've even rebooted the system entirely since then, to no avail (It sends half the mail at a time - but the error appears again once mail starts building up). Am I missing something? Do I need to set the postfix user into the postfix login class somehow?

My full /etc/login.conf is here:

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