Added Xfinity hint

FAQ.md

@@ -62,6 +62,7 @@ For authorizing:
 * T-online.de: please make sure you use [an email password](https://www.telekom.de/hilfe/festnetz-internet-tv/e-mail/e-mail-adresse-passwoerter-und-sicherheit/passwort-fuer-e-mail-programme-einrichten) (German) and not your account password
 * Ionos (1und1): please make sure you use [an email password](https://www.ionos.de/hilfe/e-mail/problemloesungen-mail-basicmail-business/passwort-fuer-e-mail-konto-bei-11-ionos-aendern/) (German) and not your account password
 * Yandex: please check if [IMAP is enabled](https://yandex.com/support/mail/mail-clients/others.html)
+* Comcast/Xfinity: please check if [third part email access](https://www.xfinity.com/support/articles/third-party-email-access) is enabled
 
 Please see [here](#user-content-faq22) for common error messages and solutions.
 

app/src/main/res/xml/providers.xml

@@ -1373,6 +1373,7 @@
     </provider>
     <provider
         name="Xfinity/Comcast"
+        documentation="Please check if &lt;a href=&quot;https://www.xfinity.com/support/articles/third-party-email-access&quot;&gt;third party email access&lt;/a&gt; is enabled"
         domain="comcast\\.net"
         link="https://www.xfinity.com/support/articles/email-client-programs-with-xfinity-email">
         <imap