diff --git a/FAQ.md b/FAQ.md
index 1467cd3109..83c5f1f941 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -4479,7 +4479,7 @@ A message will be consired safely transported if *every* [Received](https://data
 * has a *from* with a local address
 * has a *via* with the value '[Frontend Transport](https://social.technet.microsoft.com/wiki/contents/articles/50370.exchange-2016-what-is-the-front-end-transport-service-on-the-mailbox-role.aspx)'
 * has a *with* with the value 'TLS'
-* has a *with* with the value 'local', '[MAPI](https://en.wikipedia.org/wiki/MAPI)', 'HTTP' or 'HTTPREST'
+* has a *with* with the value 'local', '[MAPI](https://en.wikipedia.org/wiki/MAPI)', 'HTTP', 'HTTPS', or 'HTTPREST'
 * has a *with* with the value '[xMTPSx](https://datatracker.ietf.org/doc/html/rfc3848)' ('xMTPAx' is considered insecure)
 
 A local address is a local host address, a site local address
diff --git a/app/src/main/java/eu/faircode/email/MessageHelper.java b/app/src/main/java/eu/faircode/email/MessageHelper.java
index f0b00140ab..f9fa6d72ae 100644
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@@ -2173,8 +2173,10 @@ public class MessageHelper {
         }
 
         if ("http".equals(protocol) ||
+                "https".equals(protocol) ||
                 "httprest".equals(protocol)) {
-            // httprest by gmailapi.google.com
+            // https: Outlook
+            // httprest: by gmailapi.google.com
             Log.i("--- http with=" + with);
             return true;
         }