bug#28597: 26.0.60; [Security] Configure should use --without-pop by default

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: jwiegley@gmail.com,  eggert@cs.ucla.edu,  28597@debbugs.gnu.org,  
> nljlistbox2@gmail.com
> Gmane-Reply-To-List: yes
> Date: Tue, 03 Oct 2017 17:03:48 +0200
> 
> > Not building movemail if Mailutils are not installed is too harsh,
> > because movemail supports methods other than POP3.
> 
> Does GNU Mailutils not support those same methods?

It does, but I was talking about the case where Mailutils is NOT
installed.  If you don't build movemail in that case, you leave users
unable to fetch mail even if they don't use POP3.