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File: //usr/share/webmin/postfix/help/opt_queue_minfree.html
<header>Min free space in the queue file system</header>

<center><tt>queue_minfree</tt></center>
<hr>

This parameter specifies the minimal amount of free space in bytes in the queue
file system. This is currently used by the SMTP server to decide if it will
accept any mail at all.

<hr>
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