[Fetchmail-devel] The 6.4.2-rc1 release candidate #1 of fetchmail is available [with Python 3 compatible fetchmailconf!]

[Matthias A. <mat...@gm...>]

The 6.4.2-rc1 release of fetchmail is now available at the usual locations,
including <http://sourceforge.net/projects/fetchmail>.

The source archive is available at:
<https://downloads.sourceforge.net/project/fetchmail/branch_6.4/fetchmail-6.4.2-rc1.tar.lz>
<https://downloads.sourceforge.net/project/fetchmail/branch_6.4/fetchmail-6.4.2-rc1.tar.xz>

Please test the revised fetchmailconf, it now also needs Python's "future"
package, supports Python 3, and learned how to autoprobe via SSL and/or IPv6.

I have mailed the URL of the tarball to the translation project, 
PLEASE DO TRANSLATE (and if you need more than a few days, let me know).

Here are the release notes:

fetchmail 6.4.2 (not yet released):

## BREAKING CHANGES:
* fetchmailconf now supports Python 3 and currently requires the "future" 
  package, see https://pypi.org/project/future/.
* The minimum supported version is now Python 2.7.13, but it is recommended
  to use at least 2.7.16 (due to its massive SSL updates).
  Older Python versions may check SSL certificates not strictly
  enough which will may cause fetchmail to complain later when the
  certificate isn't compliant.
* fetchmailconf now autoprobes SSL-wrapped connections (ports 993 and 995 for 
  IMAP and POP3) as well and by preference.
* fetchmailconf now defaults newly created users to "ssl" if either of the
  existing users sets ssl, or if the server has freshly been probed and
  found supporting ssl.
  There is a caveat: adding a user to an existing server without probing it
  again may skip adding ssl. (This does not prevent STARTTLS.)

## BUG FIXES:
* Fix three bugs in fetchmail.man (one unterminated string to .IP macro, one line
  that ran into a .PP macro, .TH date format), and remove one .br request from
  inside the table, which is unsupported by FreeBSD 12's mandoc(1) formatter.
  FreeBSD Bug#241032, reported by Helge Oldach.
* Further man page fixes and additions by Chris Mayo and Gregor Zattler.
* When evaluating the need for STARTTLS in non-default configurations (SSL 
  certificate validation turned off), fetchmail would only consider --sslproto 
  tls1 as requiring STARTTLS, now all non-empty protocol versions do.
* fetchmailconf now properly writes "no sslcertck" if sslcertck is disabled.

## CHANGES:
* Make t.smoke more robust and use temporary directory as FETCHMAILHOME, to make
  sure that the home directory resolves for the user running the test suite
  even if the environment isn't perfect. Reported by Konstantin Belousov,
  analysed by Corey Halpin, FreeBSD Bug#240914.

## UPDATED TRANSLATION - THANKS TO:
* zh_CN: Boyuan Yang [Chinese (simplified)]

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By popular demand, diffs from the previous release have been omitted.

Happy fetches,
Matthias