Log message:
mail: Replace RMD160 checksums with BLAKE2s checksums

All checksums have been double-checked against existing RMD160 and
SHA512 hashes

The following distfiles were unfetchable (possibly fetched
conditionally?):

./mail/qmail/distinfo netqmail-1.05-TAI-leapsecs.patch

Log message:
mail: Remove SHA1 hashes for distfiles

Log message:
set DIST_SUBDIR, and regen distinfo

Log message:
libytnef: Change spaces to tabs to please pkglint.

Log message:
Update ytnef and libytnef to version 1.9.3 .

From release notes:

This version resolves the following CVEs:

* CVE-2017-9470
* CVE-2017-9471
* CVE-2017-9474
* CVE-2017-9058
* CVE-2017-12142
* CVE-2017-12141
* CVE-2017-12144

Log message:
Fix indentation in buildlink3.mk files.

The actual fix as been done by "pkglint -F */*/buildlink3.mk", and was
reviewed manually.

There are some .include lines that still are indented with zero spaces
although the surrounding .if is indented. This is existing practice.

Log message:
Follow some redirects.

Log message:
Update libytnef to version 1.9.2.

The changes in patch-ytnef.c has been applied upstream.
patch-ytnef.c has now been removed.

Changes from Changelog:

v1.9.2 - February 23, 2017

Thanks to @hannob for finding some Out-of-bound exceptions in memory handline.
* [SECURITY] An invalid memory access (heap overrun) in handling LONG datatypes \ 
(CVE-2017-6800)
* [SECURITY] Missing a check for fields of size 0 (CVE-2017-6801)
* [SECURITY] Potential buffer overrun on incoming Compressed RTF Streams \ 
(CVE-2017-6802)

This version  & the previous 1.9.1 resolves the following CVEs:
* CVE-2017-6306
* CVE-2017-6305
* CVE-2017-6304
* CVE-2017-6303
* CVE-2017-6302
* CVE-2017-6301
* CVE-2017-6300
* CVE-2017-6299
* CVE-2017-6298

v1.9.1 - Feb 14, 2017
* BugFix for path handling- label both / and \ as invalid characters inattachments
* Remove lots of exit(-1)'s from the code that would crash calling programs
* [SECURITY] Thanks to EricSesterhennX41 for a patch to fix lots of invalid
memory allocation around corrupted files.

v1.9 - January 2, 2017
* Unify libytnef and ytnef tools into a single build & package (Thanks @jmallach)
* Fix applied for CVE-2010-5109
* Various fixes for errors found via Static Analysis (cppcheck)
* Various memory leaks plugged (Thanks @slonik-v-domene)
* Bugfix for a broken "uniqueness" checker
* Lots of formatting & documentation cleanups

Now that the two packages are unified into a single install & build, I've had
to choose a unifier of Version Numbers.  I chose 1.9 .

Log message:
Add SHA512 digests for distfiles for mail category

Problems found locating distfiles:
	Package mutt: missing distfile patch-1.5.24.rr.compressed.gz
	Package p5-Email-Valid: missing distfile Email-Valid-1.198.tar.gz
	Package pine: missing distfile fancy.patch.gz
	Package postgrey: missing distfile targrey-0.31-postgrey-1.34.patch
	Package qmail: missing distfile badrcptto.patch
	Package qmail: missing distfile outgoingip.patch
	Package qmail: missing distfile qmail-1.03-realrcptto-2006.12.10.patch
	Package qmail: missing distfile qmail-smtpd-viruscan-1.3.patch
	Package thunderbird24: missing distfile enigmail-1.7.2.tar.gz
	Package thunderbird31: missing distfile enigmail-1.7.2.tar.gz

Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden).  All existing
SHA1 digests retained for now as an audit trail.

Log message:
Always return a value in a non-void function.