fix: add verifySSL option to mail settings

client/graph/admin/mail/mail-mutation-save-config.gql

@@ -4,6 +4,7 @@ mutation (
   $host: String!,
   $port: Int!,
   $secure: Boolean!,
+  $verifySSL: Boolean!,
   $user: String!,
   $pass: String!,
   $useDKIM: Boolean!,
@@ -18,6 +19,7 @@ mutation (
       host: $host,
       port: $port,
       secure: $secure,
+      verifySSL: $verifySSL,
       user: $user,
       pass: $pass,
       useDKIM: $useDKIM,

client/graph/admin/mail/mail-query-config.gql

@@ -6,6 +6,7 @@
       host
       port
       secure
+      verifySSL
       user
       pass
       useDKIM