SPF record needed for the Wiki Robot email server

I recently set my email server to be much stricter about SPF records, which caused it to complain about emails sent from the F-Droid Wiki Robot.

Return-path: admin@f-droid.org
Envelope-to: soren@stoutner.com
Delivery-date: Sun, 28 May 2017 02:40:35 -0700
Received: from tur.acge.com ([46.105.122.105])
by mail.stoutner.com with esmtp (Exim 4.89)
(envelope-from admin@f-droid.org)
id 1dEugb-0002Mr-Ta
for soren@stoutner.com; Sun, 28 May 2017 02:40:35 -0700
Received: by tur.acge.com (Postfix, from userid 1003)
id AA49026005F0; Sun, 28 May 2017 09:42:43 +0000 (UTC)
To: Sorenstoutner soren@stoutner.com
Subject: F-Droid page com.stoutner.privacybrowser.standard has been changed by Robot
X-PHP-Originating-Script: 1003:UserMailer.php
List-Help: https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Watchlist
From: F-Droid admin@f-droid.org
Reply-To: reply@not.possible
Date: Sun, 28 May 2017 09:42:43 +0000
Message-ID: fdroidwiki.592a9b938ee5e6.28054541@f-droid.org
X-Mailer: MediaWiki mailer
List-Unsubscribe: https://f-droid.org/wiki/page/Special:Preferences
MIME-Version: 1.0
Content-type: text/plain; charset=UTF-8
Content-transfer-encoding: 8bit
X-Spam-Action: reject
X-Spam-Score: 3.1
X-Spam-Report: Spam detection software, running on the system “mail.stoutner.com”,
has identified this incoming email as possible spam. The original
message has been attached to this so you can view it or label
similar future email. If you have any questions, see
@@CONTACT_ADDRESS@@ for details.

Content preview: Dear Sorenstoutner, The F-Droid page com.stoutner.privacybrowser.standard
has been changed on 28 May 2017 by Robot, see https://f-droid.org/wiki/page/com.stoutner.privacybrowser.standard
for the current revision. […]

Content analysis details: (3.1 points, 2.0 required)

pts rule name description


0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked.
See
http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block
for more information.
[URIs: mediawiki.org]
5.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail)
-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%
[score: 0.0000]