mail/exim: upgrade to 4.75

From NewStuff-4.75:

 1. In addition to the existing LDAP and LDAP/SSL ("ldaps") support,
 there is now LDAP/TLS support, given sufficiently modern OpenLDAP
 client libraries.  The following global options have been added in
 support of this: ldap_ca_cert_dir, ldap_ca_cert_file, ldap_cert_file,
 ldap_cert_key, ldap_cipher_suite, ldap_require_cert, ldap_start_tls.

 2. The pipe transport now takes a boolean option, "freeze_signal",
 default false.  When true, if the external delivery command exits on
 a signal then Exim will freeze the message in the queue, instead of
 generating a bounce.

 3. Log filenames may now use %M as an escape, instead of %D (still
 available).  The %M pattern expands to yyyymm, providing month-level
 resolution.

 4. The $message_linecount variable is now updated for the maildir_tag
 option, in the same way as $message_size, to reflect the real number
 of lines, including any header additions or removals from transport.

 5. When contacting a pool of SpamAssassin servers configured in
 spamd_address, Exim now selects entries randomly, to better scale in
 a cluster setup.

Full changelog and new stuff files:
 - ftp://exim.inode.at/exim/ChangeLogs/ChangeLog-4.75
 - ftp://exim.inode.at/exim/ChangeLogs/NewStuff-4.75

Added two configurable knobs (based on ports/154956):
 - CONFIG_FILE_PATH: location of the main configuration file
 - ALT_CONFIG_PREFIX: prefix for alternative configuration files.

PR: 154956
Feature safe: yes
Approved by: garga (mentor)

0 files changed, 0 insertions, 0 deletions