COMBOBOX_ADD (menu, "GSSAPI", IMAP_AUTH_GSSAPI);
COMBOBOX_ADD (menu, "DIGEST-MD5", IMAP_AUTH_DIGEST_MD5);
COMBOBOX_ADD (menu, "SCRAM-SHA-1", IMAP_AUTH_SCRAM_SHA1);
+ COMBOBOX_ADD (menu, "PLAIN", IMAP_AUTH_PLAIN);
hbox1 = gtk_hbox_new (FALSE, 8);
gtk_widget_show (hbox1);