diff --git a/src/appstore.js b/src/appstore.js
index 1b205c7c7..fb4f80d76 100644
--- a/src/appstore.js
+++ b/src/appstore.js
@@ -11,6 +11,8 @@ exports = module.exports = {
     getAppUpdate: getAppUpdate,
     getBoxUpdate: getBoxUpdate,
 
+    getAccount: getAccount,
+
     AppstoreError: AppstoreError
 };
 
@@ -245,3 +247,21 @@ function getAppUpdate(app, callback) {
         });
     });
 }
+
+function getAccount(callback) {
+    assert.strictEqual(typeof callback, 'function');
+
+    getAppstoreConfig(function (error, appstoreConfig) {
+        if (error) return callback(error);
+
+        var url = config.apiServerOrigin() + '/api/v1/users/' + appstoreConfig.userId;
+
+        superagent.get(url).query({ accessToken: appstoreConfig.token }).timeout(10 * 1000).end(function (error, result) {
+            if (error && !error.response) return callback(new AppstoreError(AppstoreError.EXTERNAL_ERROR, error));
+            if (result.statusCode !== 200) return callback(new AppstoreError(AppstoreError.EXTERNAL_ERROR, util.format('Bad response: %s %s', result.statusCode, result.text)));
+
+            // { profile: { id, email, groupId, billing, firstName, lastName, company, street, city, zip, state, country } }
+            callback(null, result.body.profile);
+        });
+    });
+}
diff --git a/src/mailer.js b/src/mailer.js
index 8f9f45b3d..da6fd232d 100644
--- a/src/mailer.js
+++ b/src/mailer.js
@@ -36,7 +36,9 @@ exports = module.exports = {
     _clearMailQueue: _clearMailQueue
 };
 
-var assert = require('assert'),
+var appstore = require('./appstore.js'),
+    AppstoreError = appstore.AppstoreError,
+    assert = require('assert'),
     async = require('async'),
     config = require('./config.js'),
     debug = require('debug')('box:mailer'),
@@ -426,29 +428,34 @@ function sendDigest(info) {
                 cloudronName = 'Cloudron';
             }
 
-            var templateData = {
-                fqdn: config.fqdn(),
-                webadminUrl: config.adminOrigin(),
-                cloudronName: cloudronName,
-                cloudronAvatarUrl: config.adminOrigin() + '/api/v1/cloudron/avatar',
-                info: info
-            };
+            appstore.getAccount(function (error, appstoreProfile) {
+                if (error && error.reason !== AppstoreError.BILLING_REQUIRED) console.error(error);
+                if (appstoreProfile) adminEmails.push(appstoreProfile.email);
 
-            var templateDataText = JSON.parse(JSON.stringify(templateData));
-            templateDataText.format = 'text';
+                var templateData = {
+                    fqdn: config.fqdn(),
+                    webadminUrl: config.adminOrigin(),
+                    cloudronName: cloudronName,
+                    cloudronAvatarUrl: config.adminOrigin() + '/api/v1/cloudron/avatar',
+                    info: info
+                };
 
-            var templateDataHTML = JSON.parse(JSON.stringify(templateData));
-            templateDataHTML.format = 'html';
+                var templateDataText = JSON.parse(JSON.stringify(templateData));
+                templateDataText.format = 'text';
 
-            var mailOptions = {
-                from: mailConfig().from,
-                to: adminEmails.join(', '),
-                subject: util.format('[%s] Cloudron - Weekly activity digest', config.fqdn()),
-                text: render('digest.ejs', templateDataText),
-                html: render('digest.ejs', templateDataHTML)
-            };
+                var templateDataHTML = JSON.parse(JSON.stringify(templateData));
+                templateDataHTML.format = 'html';
 
-            enqueue(mailOptions);
+                var mailOptions = {
+                    from: mailConfig().from,
+                    to: adminEmails.join(', '),
+                    subject: util.format('[%s] Cloudron - Weekly activity digest', config.fqdn()),
+                    text: render('digest.ejs', templateDataText),
+                    html: render('digest.ejs', templateDataHTML)
+                };
+
+                enqueue(mailOptions);
+            });
         });
     });
 }
diff --git a/src/test/digest-test.js b/src/test/digest-test.js
index a2ab3bcfb..2eef10180 100644
--- a/src/test/digest-test.js
+++ b/src/test/digest-test.js
@@ -12,6 +12,7 @@ var async = require('async'),
     eventlog = require('../eventlog.js'),
     expect = require('expect.js'),
     mailer = require('../mailer.js'),
+    nock = require('nock'),
     paths = require('../paths.js'),
     safe = require('safetydance'),
     settings = require('../settings.js'),
@@ -30,10 +31,15 @@ var AUDIT_SOURCE = {
     ip: '1.2.3.4'
 };
 
-function checkMails(number, done) {
+function checkMails(number, email, done) {
     // mails are enqueued async
     setTimeout(function () {
         expect(mailer._getMailQueue().length).to.equal(number);
+
+        if (number && email) {
+            expect(mailer._getMailQueue()[0].to.indexOf(email)).to.not.equal(-1);
+        }
+
         mailer._clearMailQueue();
         done();
     }, 500);
@@ -78,7 +84,7 @@ describe('digest', function () {
         it('does not send mail with digest disabled', function (done) {
             digest.maybeSend(function (error) {
                 if (error) return done(error);
-                checkMails(0, done);
+                checkMails(0, '', done);
             });
         });
 
@@ -93,7 +99,7 @@ describe('digest', function () {
             digest.maybeSend(function (error) {
                 if (error) return done(error);
 
-                checkMails(1, done);
+                checkMails(1, '', done);
             });
         });
 
@@ -103,7 +109,40 @@ describe('digest', function () {
             digest.maybeSend(function (error) {
                 if (error) return done(error);
 
-                checkMails(1, done);
+                checkMails(1, '', done);
+            });
+        });
+
+        it('sends mail for pending update to appstore account email (caas)', function (done) {
+            var subscription = {
+                id: 'caas',
+                created: 0,
+                canceled_at: 0,
+                status: 'active',
+                plan: { id: 'caas' }
+            };
+
+            updatechecker._setUpdateInfo({ box: null, apps: { 'appid': { manifest: { version: '1.2.5', changelog: 'noop\nreally' } } } });
+            var fake1 = nock(config.apiServerOrigin()).post(function (uri) { return uri.indexOf('/api/v1/users/test-user/cloudrons') >= 0; }).reply(201, { cloudron: { id: 'test-cloudron' }});
+            var fake2 = nock(config.apiServerOrigin()).get(function (uri) { return uri.indexOf('/api/v1/users/test-user/cloudrons/test-cloudron/subscription') >= 0; }).reply(200, { subscription: subscription });
+            var fake3 = nock(config.apiServerOrigin()).get('/api/v1/users/test-user?accessToken=test-token').reply(200, { profile: { id: 'test-user', email: 'test@email.com' } });
+
+            settings.setAppstoreConfig({ userId: 'test-user', token: 'test-token', cloudronId: 'test-cloudron' }, function (error) {
+                if (error) return done(error);
+
+                digest.maybeSend(function (error) {
+                    if (error) return done(error);
+
+                    checkMails(1, 'test@email.com', function (error) {
+                        if (error) return done(error);
+
+                        expect(fake1.isDone()).to.be.ok();
+                        expect(fake2.isDone()).to.be.ok();
+                        expect(fake3.isDone()).to.be.ok();
+
+                        done();
+                    });
+                });
             });
         });
     });