1 $Cambridge: exim/doc/doc-txt/NewStuff,v 1.125 2006/12/20 09:44:37 ph10 Exp $
6 This file contains descriptions of new features that have been added to Exim.
7 Before a formal release, there may be quite a lot of detail so that people can
8 test from the snapshots or the CVS before the documentation is updated. Once
9 the documentation is updated, this file is reduced to a short list.
15 1. ACL variables can now be given arbitrary names, as long as they start with
16 "acl_c" or "acl_m" (for connection variables and message variables), are at
17 least six characters long, with the sixth character being either a digit or
20 2. There is a new ACL modifier called log_reject_target. It makes it possible
21 to specify which logs are used for messages about ACL rejections.
23 3. There is a new authenticator called "dovecot". This is an interface to the
24 authentication facility of the Dovecot POP/IMAP server, which can support a
25 number of authentication methods.
27 4. The variable $message_headers_raw provides a concatenation of all the
28 messages's headers without any decoding. This is in contrast to
29 $message_headers, which does RFC2047 decoding on the header contents.
31 5. In a DNS black list, if two domain names, comma-separated, are given, the
32 second is used first to do an initial check, making use of any IP value
33 restrictions that are set. If there is a match, the first domain is used,
34 without any IP value restrictions, to get the TXT record.
36 6. All authenticators now have a server_condition option.
38 7. There is a new command-line option called -Mset. It is useful only in
39 conjunction with -be (that is, when testing string expansions). It must be
40 followed by a message id; Exim loads the given message from its spool
41 before doing the expansions.
43 8. Another similar new command-line option is called -bem. It operates like
44 -be except that it must be followed by the name of a file that contains a
47 9. When an address is delayed because of a 4xx response to a RCPT command, it
48 is now the combination of sender and recipient that is delayed in
49 subsequent queue runs until its retry time is reached.
51 10. Unary negation and the bitwise logical operators and, or, xor, not, and
52 shift, have been added to the eval: and eval10: expansion items.
54 11. The variables $interface_address and $interface_port have been renamed
55 as $received_ip_address and $received_port, to make it clear that they
56 relate to message reception rather than delivery. (The old names remain
57 available for compatibility.)
59 12. The "message" modifier can now be used on "accept" and "discard" acl verbs
60 to vary the message that is sent when an SMTP command is accepted.
66 1. There is a new Boolean option called filter_prepend_home for the redirect
69 2. There is a new acl, set by acl_not_smtp_start, which is run right at the
70 start of receiving a non-SMTP message, before any of the message has been
73 3. When an SMTP error message is specified in a "message" modifier in an ACL,
74 or in a :fail: or :defer: message in a redirect router, Exim now checks the
75 start of the message for an SMTP error code.
77 4. There is a new parameter for LDAP lookups called "referrals", which takes
78 one of the settings "follow" (the default) or "nofollow".
80 5. Version 20070721.2 of exipick now included, offering these new options:
82 After all other sorting options have bee processed, reverse order
83 before displaying messages (-R is synonym).
85 Randomize order of matching messages before displaying.
87 Instead of displaying the matching messages, display the sum
89 --sort <variable>[,<variable>...]
90 Before displaying matching messages, sort the messages according to
91 each messages value for each variable.
93 Negate the value for every test (returns inverse output from the
94 same criteria without --not).
100 1. The ${readsocket expansion item now supports Internet domain sockets as well
101 as Unix domain sockets. If the first argument begins "inet:", it must be of
102 the form "inet:host:port". The port is mandatory; it may be a number or the
103 name of a TCP port in /etc/services. The host may be a name, or it may be an
104 IP address. An ip address may optionally be enclosed in square brackets.
105 This is best for IPv6 addresses. For example:
107 ${readsocket{inet:[::1]:1234}{<request data>}...
109 Only a single host name may be given, but if looking it up yield more than
110 one IP address, they are each tried in turn until a connection is made. Once
111 a connection has been made, the behaviour is as for ${readsocket with a Unix
114 2. If a redirect router sets up file or pipe deliveries for more than one
115 incoming address, and the relevant transport has batch_max set greater than
116 one, a batch delivery now occurs.
118 3. The appendfile transport has a new option called maildirfolder_create_regex.
119 Its value is a regular expression. For a maildir delivery, this is matched
120 against the maildir directory; if it matches, Exim ensures that a
121 maildirfolder file is created alongside the new, cur, and tmp directories.
127 The documentation is up-to-date for the 4.61 release. Major new features since
128 the 4.60 release are:
130 . An option called disable_ipv6, to disable the use of IPv6 completely.
132 . An increase in the number of ACL variables to 20 of each type.
134 . A change to use $auth1, $auth2, and $auth3 in authenticators instead of $1,
135 $2, $3, (though those are still set) because the numeric variables get used
136 for other things in complicated expansions.
138 . The default for rfc1413_query_timeout has been changed from 30s to 5s.
140 . It is possible to use setclassresources() on some BSD OS to control the
141 resources used in pipe deliveries.
143 . A new ACL modifier called add_header, which can be used with any verb.
145 . More errors are detectable in retry rules.
147 There are a number of other additions too.
153 The documentation is up-to-date for the 4.60 release. Major new features since
154 the 4.50 release are:
156 . Support for SQLite.
158 . Support for IGNOREQUOTA in LMTP.
160 . Extensions to the "submission mode" features.
162 . Support for Client SMTP Authorization (CSA).
164 . Support for ratelimiting hosts and users.
166 . New expansion items to help with the BATV "prvs" scheme.
168 . A "match_ip" condition, that matches an IP address against a list.
170 There are many more minor changes.