Steps to reproduce:
1. Login as a new user
2. setup a local mail account with message filters enabled.
3. Select Edit, Preferences, Mail Accounts , Add, Forward
4. Enter name and email address. select forward
5. Select IMAP from drop down list


Stack trace:
ff2caa88 _lwp_kill (5, 0, ff355e80, ff350694, ff1e2a00, 0) + 8
 ff053a6c g_logv   (fa4fd250, a, 5, 40b20, 8, ff0f41bc) + 3dc
 ff053b54 g_log    (fa4fd250, 8, fa4fd258, fa4fd280, 132, fa4fd2d0) + 1c
 fa4f5ad8 camel_url_new (998778, 0, 0, 14, 998778, fa50d590) + ac
 f99c6524 emae_refresh_authtype (35a3b8, 283d0c, 3, 9dc14, 6646b0, f9a640bc) + 8c
 f99c5e10 emae_service_provider_changed (283d0c, f9a6b718, 9ef6d0, f9a6b768, f9a6b824, f9a640bc) + 39c
 f99c5f80 emae_provider_changed (664370, 283d0c, 2, ffbfe020, 946448, f99c5f20) + 60
 fef8f8d0 g_closure_invoke (0, 0, 1, ffbfe020, ffbfdeb4, 946448) + 1a8
 fefa9f88 signal_emit_unlocked_R (59ef00, 0, 0, fefd3098, 0, 998060) + 874
 fefa8e90 g_signal_emit_valist (664370, 1, ffbfe038, ffbfe250, 59ef00, fefd3098) + 788
 fefa91d8 g_signal_emit (664370, 1d3, 0, 5d54b8, f8310, 7f400) + 1c
 fea0407c gtk_combo_box_set_active_internal (664370, 9c1528, 1, 5ef738, fece445c, ffbfe320) + 1e0
 fea041f4 gtk_combo_box_set_active_iter (9c1528, ffbfe320, 2, 22bd90, 2e02f4, b2000) + 90
 fea00db0 gtk_combo_box_menu_item_activate (5de8d8, 664370, 1, ffbfe5d0, 2e375c, fea00cfc) + b4
 fef8f8d0 g_closure_invoke (0, 0, 1, ffbfe5d0, ffbfe464, 946168) + 1a8
 fefa9f88 signal_emit_unlocked_R (299268, 0, 1, fefd3098, 0, 955ae0) + 874
 fefa8e90 g_signal_emit_valist (5de8d8, 1, ffbfe5e8, ffbfe800, 299268, fefd3098) + 788
 fefa91d8 g_signal_emit (5de8d8, b8, 0, 71de0, fd464, 407017) + 1c
 febee2f0 gtk_widget_activate (5de8d8, 0, 0, f6200, 58138, 28bdb0) + 98
 feabd0bc gtk_menu_shell_activate_item (366aa8, 5de8d8, 9f40d8, 2107e0, 2274e8, 5de878) + 14c
 feabc0a0 gtk_menu_shell_button_release (366aa8, 9cea80, 5de8d8, 22849c, 366b58, fece445c) + e4
 feaa9d14 _gtk_marshal_BOOLEAN__BOXED (ffbfea88, ffbfea88, ffbfebe0, 366aa8, 103a50, feab2728) + f8
 fef8f8d0 g_closure_invoke (0, ffbfea88, 2, ffbfebe0, ffbfea74, 103a50) + 1a8
 fefaa1a0 signal_emit_unlocked_R (ea780, 0, ff2befa0, fefd3098, f8408, 0) + a8c
 fefa8ef0 g_signal_emit_valist (0, 14, ffbfebf8, ffbfee14, ea780, fefd3098) + 7e8
 fefa91d8 g_signal_emit (366aa8, 3c, 0, 9cea80, ffbfee24, 58) + 1c
 febee1cc gtk_widget_event_internal (366aa8, 9cea80, febedf48, 16c, c734, 20) + 1f0
 feaa84e0 gtk_propagate_event (0, 9cea80, 8, 7, 23c0b0, 366aa8) + 138
 feaa73e8 gtk_main_do_event (5de8d8, feaa70b8, 0, 9cea80, 32c, 20) + 29c
 fe84fef0 gdk_event_dispatch (63510, 0, 0, fe89c800, 4c98c, 9cea80) + 80
 ff048e3c g_main_dispatch (63558, 0, 0, 0, ff0f41bc, 63560) + 1e0
 ff04a4e0 g_main_context_dispatch (1, 1, 40bb0, 1, 40bac, 63558) + c8
 ff04aa00 g_main_context_iterate (1, 1, 1, 63558, d, d) + 49c
 ff04b304 g_main_loop_run (fd2a8, 0, ff1e8d4c, 41fa0, fd2b0, 1) + 3e4
 ff1a5cb4 bonobo_main (0, ff1eaaec, ff1e8d4c, 1da0, 430fc, 1c00) + 68
 00028b78 main     (2e000, 0, 40800, 69960, 40800, 4c038) + 3e8
 0001b410 _start   (0, 0, 0, 0, 0, 0) + 108


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