Updated setup instructions

SETUP.md

@@ -29,7 +29,7 @@ After reviewing the system folder selection you can add the account by tapping *
 If your provider is not in the list of providers, select *Custom*.
 Enter the domain name, for example *gmail.com* and tap *Get settings*.
 If your provider supports [auto-discovery](https://tools.ietf.org/html/rfc6186), FairEmail will fill in the host name and port number,
-else check the setup instructions of your provider for the right IMAP host name and port number.
+else check the setup instructions of your provider for the right IMAP host name, port number and protocol (SSL/TLS or STARTTLS).
 For more about this, please see [here](https://github.com/M66B/FairEmail/blob/master/FAQ.md#authorizing-accounts).
 
 
@@ -39,6 +39,11 @@ Similarly, to add an identity, tap on *Manage identity* and tap on the orange *a
 Enter the name you want to appear in de from address of the emails you send and select a linked account.
 Tap *Save* to add the identity.
 
+If the account was configured manually, you likely need to configure the identity manually too.
+Enter the domain name, for example *gmail.com* and tap *Get settings*.
+If your provider supports [auto-discovery](https://tools.ietf.org/html/rfc6186), FairEmail will fill in the host name and port number,
+else check the setup instructions of your provider for the right SMTP host name, port number and protocol (SSL/TLS or STARTTLS).
+
 See [this FAQ](https://github.com/M66B/FairEmail/blob/master/FAQ.md#FAQ9) about using aliases.