Fix crash when no MX record is found

2017-02-02 11:14:10 -08:00
parent 651af185c8
commit ce2cd00fbf
1 changed files with 3 additions and 0 deletions
--- a/src/settings.js
+++ b/src/settings.js
@@ -212,6 +212,9 @@ function getEmailDnsRecords(callback) {
            if (error && error.code === 'ENOTFOUND') return callback(null);    // not setup
            if (error) return callback(error);

+            // ensure this is an array resolveMx() returns undefined if no records are found
+            mxRecords = mxRecords || [];
+
            records.mx.status = mxRecords.length == 1 && mxRecords[0].exchange === config.mailFqdn();
            records.mx.value = mxRecords.map(function (r) { return r.priority + ' ' + r.exchange; }).join(' ');