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ACL Policy Daemon for Postfix 0.72 (Default branch)

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Special Forums News, Links, Events and Announcements Software Releases - RSS News ACL Policy Daemon for Postfix 0.72 (Default branch)
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Old 05-13-2008
ACL Policy Daemon for Postfix 0.72 (Default branch)
ACL Policy Daemon communicates with the Postfix MTA using the Policy Delegation Protocol, implementing an ACL (Access Control List) system. Key features: greylisting with flexible storage using memory for fast responses or disk for high persistence, SPF validation, control of messages by day/time, variable message size limits per domain or email, multiple RBL checking, and various ACLs available to use and combine. The configuration is simple and intuitive. License: GNU General Public License (GPL) Changes:
New ACLs: protocol_name and log. Improved debug messages. In an access statement, the action is now optional; if there is no action specified, the default action is used. The requirement has been reduced for the size ACL from smtpd_end_of_data_restrictions to smtpd_sender_restrictions. There is better handling of configuration errors.Image

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acl_size

ACL_SIZE(3)						   BSD Library Functions Manual 					       ACL_SIZE(3)

NAME

     acl_size -- get the size of the external representation of an ACL

LIBRARY

     Linux Access Control Lists library (libacl, -lacl).

SYNOPSIS

     #include <sys/types.h>
     #include <sys/acl.h>

     ssize_t
     acl_size(acl_t acl);

DESCRIPTION

     The acl_size() function return the size, in bytes, of the buffer required to hold the exportable, contiguous, persistent form of the ACL
     pointed to by the argument acl, when converted by acl_copy_ext().

     Any existing ACL entry descriptors that refer to entries in acl continue to refer to the same entries. Any existing ACL pointers that refer
     to the ACL referred to by acl continue to refer to the ACL. The order of ACL entries within acl remains unchanged.

RETURN VALUE

     On success, the acl_size() function returns the size in bytes of the contiguous, persistent form of the ACL. On error, a value of (ssize_t)-1
     is returned and errno is set appropriately.

ERRORS

     If any of the following conditions occur, the acl_size() function returns a value of (ssize_t)-1 and sets errno to the corresponding value:

     [EINVAL]		The argument acl is not a valid pointer to an ACL.

STANDARDS

     IEEE Std 1003.1e draft 17 ("POSIX.1e", abandoned)

SEE ALSO

     acl_copy_ext(3), acl(5)

AUTHOR

     Derived from the FreeBSD manual pages written by Robert N M Watson <rwatson@FreeBSD.org>, and adapted for Linux by Andreas Gruenbacher
     <a.gruenbacher@bestbits.at>.

Linux ACL							  March 23, 2002							 Linux ACL