Log Message:
Update to 5.426:

5.426     2008-03-07  Dave O'Neill <dmo@roaringpenguin.com>
	* VERSION 5.426 RELEASED

	* (bugfix) require File::Temp 0.18 or newer, as we need seek()
	  (RT#31032)

	* (bugfix) Don't hang forever in t/Smtpsend.t (RT#31082)

	* (bugfix) require Perl 5.8.0 or newer in Makefile.PL (RT#30927)

	* (bugfix) encode_mimewords() no longer removes spaces between two
	  encoded words (RT#5462)