gnu: Add khard.

* gnu/packages/mail.scm (khard): New variable.

gnu: exim: Update to 4.86.2 [fixes CVE-2016-1531].

* gnu/packages/mail.scm (exim): Update to 4.86.2.

gnu: Add procmail.

 * gnu/packages/patches/procmail-ambiguous-getline-debian.patch: New file.
 * gnu-system.am (dist_patch_DATA): Add it.
 * gnu/packages/mail.scm (procmail): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu: msmtp: Install msmtpq.

* gnu/packages/mail.scm (msmtp)[arguments]: Install msmtpq scripts.

gnu: Add notmuch-addrlookup-c.

* gnu/packages/mail.scm (notmuch-addrlookup-c): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

Merge branch 'core-updates'

Merge branch 'master' into core-updates

gnu: claws-mail: Update to 3.13.2.

* gnu/packages/mail.scm (claws-mail): Update to 3.13.2.

gnu: Add dependencies on Perl modules as needed.

This is a follow-on to bb8afbf5.

* gnu/packages/language.scm (perl-lingua-en-inflect, perl-lingua-stem)
  (perl-snowball-norwegian, perl-snowball-swedish): Add 'native-inputs'
  field.
* gnu/packages/perl.scm (perl-aliased, perl-class-accessor-chained)
  (perl-datetime-set, perl-datetime-format-ical, perl-datetime-locale)
  (perl-error, perl-module-runtime, perl-module-runtime-conflicts)
  (perl-path-class, perl-posix-strftime-compiler, perl-readonly)
  (perl-test-differences, perl-test-pod, perl-test-trap)
  (perl-text-aligner, perl-text-glob, perl-text-table, perl-tie-ixhash)
  (perl-time-mock): Ditto.
  (perl-config-any): Add 'propagated-inputs' field.
  (perl-data-page, perl-datetime, perl-datetime-format-natural)
  (perl-moosex-getopt, perl-moosex-role-parameterized)
  (perl-moosex-types, perl-namespace-autoclean, perl-params-validate)
  (perl-tree-simple-visitorfactory)[native-inputs]: Add PERL-MODULE-BUILD.
  (perl-file-changenotify)[native-inputs]: Ditto.
  [propagated-inputs]: Add PERL-MODULE-PLUGGABLE.
  (perl-datetime-format-flexible, perl-test-writevariants)
  [propagated-inputs]: Ditto.
  (perl-test-mockobject): Add 'arguments' field.
* gnu/packages/mail.scm (perl-email-abstract)[propagated-inputs]: Ditto.
* gnu/packages/web.scm (perl-datetime-format-http, perl-io-socket-ip)
  (perl-plack-middleware-methodoverride, perl-uri-find)
  (perl-www-mechanize): Add 'native-inputs' field.
  (perl-html-template, perl-http-server-simple): Add 'propagated-inputs'
  field.
  (perl-apache-logformat-compiler, perl-html-tree)[native-inputs]:
  Add PERL-MODULE-BUILD.
  (perl-catalyst-runtime)[propagated-inputs]: Add PERL-MODULE-PLUGGABLE.
  (perl-finance-quote)[propagated-inputs]: Add PERL-CGI.

gnu: fdm: Adjust license link to point to web-accessible copy of command.c

* gnu/packages/mail.scm (fdm): Adjusted license field

gnu: Add fdm.

* gnu/packages/mail.scm (fdm): New variable.

Merge branch 'master' into core-updates

gnu: isync: Update to 1.2.1.

* gnu/packages/mail.scm (isync): Update to 1.2.1.

gnu: getmail: Update to 4.48.0.

* gnu/packages/mail.scm (getmail): Update to 4.48.0.

gnu: notmuch: Update to 0.21.

* gnu/packages/mail.scm (notmuch): Update to 0.21.

gnu: offlineimap: Update to 6.6.1.

* gnu/packages/mail.scm (offlineimap): Update to 6.6.1.

gnu: exim: Update to 4.86.

* gnu/packages/mail.scm (exim): Update to 4.86.

gnu: exim: Add alternate URL.

* gnu/packages/mail.scm (exim)[source]: Add alternate URL.

gnu: msmtp: Update to 1.6.3.

* gnu/packages/mail.scm (msmtp): Update to 1.6.3.
[inputs]: Add libsecret.

gnu: claws-mail: Update to 3.13.1.

* gnu/packages/mail.scm (claws-mail): Update to 3.13.1.