Final version as used today

imapsync.nu

@@ -27,7 +27,8 @@ def "main test_creds" [conffile] {
       print $"    host1: ($u.host1), user1: ($u.user1),"
       print $"    host2: ($u.host2), user2: ($u.user2)\n"
 
-      imapsync --justlogin --host1 $u.host1 --user1 $u.user1 --password1 $u.password1 --host2 $u.host2 --user2 $u.user2 --password2 $u.password2 | print
+      imapsync --justlogin --host1 $u.host1 --user1 $u.user1 --password1 $u.password1 --host2 $u.host2 --user2 $u.user2 --password2 $u.password2 | grep -P "^Host[12]:? (failure|success)" | print
+      print " "
     }
   )
   ""