diff -urN esmtp.orig/PKGBUILD esmtp/PKGBUILD
--- esmtp.orig/PKGBUILD
+++ esmtp/PKGBUILD
@@ -4,13 +4,14 @@
 
 pkgname=esmtp
 pkgver=1.2
 pkgrel=3
 pkgdesc="An easy smtp forwarder"
 arch=('i686' 'x86_64')
 url="http://esmtp.sourceforge.net"
 license=('GPL')
 depends=('libesmtp' 'openssl')
-optdepends=('liblockfile: for esmtp-wrapper script')
+optdepends=('liblockfile: for esmtp-wrapper script'
+            'procmail: for local mail delivery')
 provides=('smtp-forwarder')
 source=(http://downloads.sourceforge.net/${pkgname}/${pkgname}-${pkgver}.tar.bz2)
 md5sums=('79a9c1f9023d53f35bb82bf446150a72')
@@ -24,4 +25,6 @@
   install -D -m644 README ${pkgdir}/usr/share/esmtp/README
   install -m755 esmtp-wrapper ${pkgdir}/usr/share/esmtp/esmtp-wrapper
   install -m755 ylwrap ${pkgdir}/usr/share/esmtp/ylwrap
 }