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Name	Size	Permission	Date
AAAREADME	2.81 KB	-rw-r--r--	2011-12-09 18:44
ADDRESS_CLASS_README	9.33 KB	-rw-r--r--	2007-03-25 14:53
ADDRESS_REWRITING_README	42.68 KB	-rw-r--r--	2010-02-10 15:51
ADDRESS_VERIFICATION_README	21.89 KB	-rw-r--r--	2012-10-01 18:01
BACKSCATTER_README	12.49 KB	-rw-r--r--	2011-03-22 12:33
BASIC_CONFIGURATION_README	20.91 KB	-rw-r--r--	2011-10-01 00:52
BUILTIN_FILTER_README	13.94 KB	-rw-r--r--	2009-04-04 23:09
CDB_README	2.69 KB	-rw-r--r--	2008-01-12 02:31
CONNECTION_CACHE_README	8.96 KB	-rw-r--r--	2010-01-08 18:40
CONTENT_INSPECTION_README	3.29 KB	-rw-r--r--	2006-05-15 21:33
DATABASE_README	14.47 KB	-rw-r--r--	2012-03-18 15:38
DB_README	7.58 KB	-rw-r--r--	2012-01-17 20:00
DEBUG_README	17.71 KB	-rw-r--r--	2011-10-14 17:56
DSN_README	4.33 KB	-rw-r--r--	2007-03-22 19:25
ETRN_README	11.4 KB	-rw-r--r--	2007-03-23 18:49
FILTER_README	28.61 KB	-rw-r--r--	2012-10-05 20:07
INSTALL	41.28 KB	-rw-r--r--	2013-02-06 22:08
IPV6_README	11.79 KB	-rw-r--r--	2012-08-02 19:07
LDAP_README	20.42 KB	-rw-r--r--	2010-12-02 16:23
LINUX_README	2.32 KB	-rw-r--r--	2012-10-11 14:17
LOCAL_RECIPIENT_README	5.65 KB	-rw-r--r--	2007-03-25 17:36
MAILDROP_README	5.23 KB	-rw-r--r--	2010-01-08 15:39
MEMCACHE_README	2.27 KB	-rw-r--r--	2012-01-19 19:35
MILTER_README	37.37 KB	-rw-r--r--	2011-08-17 00:20
MULTI_INSTANCE_README	42.5 KB	-rw-r--r--	2012-10-07 12:55
MYSQL_README	4.31 KB	-rw-r--r--	2008-01-12 02:14
NFS_README	4.73 KB	-rw-r--r--	2009-01-11 01:57
OVERVIEW	20.31 KB	-rw-r--r--	2011-04-16 14:07
PACKAGE_README	5.47 KB	-rw-r--r--	2011-06-23 16:31
PCRE_README	2.87 KB	-rw-r--r--	2008-01-12 02:14
PGSQL_README	4.4 KB	-rw-r--r--	2008-01-12 02:14
POSTSCREEN_README	35.9 KB	-rw-r--r--	2012-11-24 22:48
QSHAPE_README	36.63 KB	-rw-r--r--	2010-09-11 13:40
RELEASE_NOTES	9.82 KB	-rw-r--r--	2013-06-14 13:09
RESTRICTION_CLASS_README	6.97 KB	-rw-r--r--	2012-10-06 23:56
SASL_README	64.83 KB	-rw-r--r--	2012-11-12 11:53
SCHEDULER_README	65.42 KB	-rw-r--r--	2011-11-28 00:38
SMTPD_ACCESS_README	20.54 KB	-rw-r--r--	2012-10-07 15:28
SMTPD_POLICY_README	21.84 KB	-rw-r--r--	2012-09-30 22:32
SMTPD_PROXY_README	11.88 KB	-rw-r--r--	2012-10-05 20:07
SOHO_README	12.71 KB	-rw-r--r--	2012-11-12 11:53
SQLITE_README	2.16 KB	-rw-r--r--	2010-07-28 14:32
STANDARD_CONFIGURATION_README	26.56 KB	-rw-r--r--	2012-10-12 18:12
STRESS_README	19.5 KB	-rw-r--r--	2012-06-17 20:28
TLS_LEGACY_README	51.46 KB	-rw-r--r--	2009-04-17 21:56
TLS_README	92.46 KB	-rw-r--r--	2013-02-03 18:18
TUNING_README	24.05 KB	-rw-r--r--	2012-09-02 23:46
ULTRIX_README	1.96 KB	-rw-r--r--	2004-04-11 21:05
UUCP_README	5.14 KB	-rw-r--r--	2004-12-09 00:07
VERP_README	7.35 KB	-rw-r--r--	2012-10-01 18:01
VIRTUAL_README	23.52 KB	-rw-r--r--	2012-08-01 22:38
XCLIENT_README	9.51 KB	-rw-r--r--	2011-12-18 22:59
XFORWARD_README	8.57 KB	-rw-r--r--	2010-09-10 20:40

Rename

PPoossttffiixx aanndd UUllttrriixx

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PPoossttffiixx oonn UUllttrriixx

This document is probably only of historical value, because Ultrix version 4
dates from the early 1990s. However, as long as Wietse keeps Postfix alive for
SunOS 4, it is likely to run on Ultrix 4 with very little change. Feedback is
welcome if anyone actually still uses Postfix on any version of Ultrix.

The source of this document is an email message by Christian von Roques that
was sent on Jun 2, 1999.

I've upgraded the MTA of our DECstation-3100 running Ultrix4.3a to postfix-
    19990317-pl05 and am sending you the patches I needed to get it running
    under Ultrix.

. . .

One of the bugs of Ultrix's /bin/sh is that shell-variables set in
    arguments of `:' expand to garbage if expanded in here-documents. Using a
    different shell helps. I needed to replace all calls of ``sh .../makedefs''
    by ``$(SHELL) .../makedefs'' in all the Makefile.in and am now able to use
    ``make SHELL=/bin/sh5'' or zsh.

. . .

Ultrix's FD_SET_SIZE is 4096, but getdtablesize() returns 64 by default, if
    not increased when building a new kernel. getrlimit() doesn't know
    RLIMIT_NOFILE. This makes event_init() always log the warning: `could
    allocate space for only 64 open files'.

I just reduced the threshold from 256 to 64, but this is not good. The
    initial problem still remains: How to disable this warning on Ultrix
    without making the source ugly?

To work around the first problem, all the Makefile.in files have been updated
to use `$(SHELL)' instead of `sh'. So you only need to supply a non-default
shell in order to eliminate Ultrix shell trouble.

To work around the latter, util/sys_defs.h was updated for Ultrix, with a
default FD_SETSIZE of 100. This should be sufficient for a workstation. Even in
1999, no-one would run a major mail hub on Ultrix 4.