* sample aproach to use the citadel commandline client html renderer to create a...
authorWilfried Göesgens <willi@citadel.org>
Wed, 27 Feb 2008 00:18:36 +0000 (00:18 +0000)
committerWilfried Göesgens <willi@citadel.org>
Wed, 27 Feb 2008 00:18:36 +0000 (00:18 +0000)
  this is considered to be more polite to text users.

webcit/Makefile.in
webcit/html.c [new file with mode: 0644]
webcit/html.h [new file with mode: 0644]
webcit/messages.c

index 6b2a321b9be78e6a9eb4f9ba5f68b9e3e4a7c5c3..abb8efbb620d2c68ef381487593e16f4bbb5a76d 100644 (file)
@@ -51,7 +51,7 @@ webserver: webserver.o context_loop.o ical_dezonify.o \
        groupdav_main.o groupdav_get.o groupdav_propfind.o fmt_date.o \
        groupdav_options.o autocompletion.o gettext.o tabs.o sieve.o \
        groupdav_delete.o groupdav_put.o http_datestring.o setup_wizard.o \
-       downloads.o  addressbook_popup.o pushemail.o sysdep.o \
+       downloads.o  addressbook_popup.o pushemail.o sysdep.o html.o\
        $(LIBOBJS)
        $(CC) webserver.o context_loop.o cookie_conversion.o \
        webcit.o auth.o tcp_sockets.o mainmenu.o serv_func.o who.o listsub.o \
@@ -63,7 +63,7 @@ webserver: webserver.o context_loop.o ical_dezonify.o \
        groupdav_main.o groupdav_get.o groupdav_propfind.o groupdav_delete.o \
        groupdav_options.o autocompletion.o tabs.o smtpqueue.o sieve.o \
        groupdav_put.o http_datestring.o setup_wizard.o fmt_date.o \
-       gettext.o downloads.o addressbook_popup.o pushemail.o sysdep.o \
+       gettext.o downloads.o addressbook_popup.o pushemail.o sysdep.o html.o \
        $(LIBOBJS) $(LIBS) $(LDFLAGS) -o webserver
 
 .c.o:
diff --git a/webcit/html.c b/webcit/html.c
new file mode 100644 (file)
index 0000000..19cd38d
--- /dev/null
@@ -0,0 +1,551 @@
+/*
+ * $Id: html.c 6014 2008-02-04 18:38:35Z ajc $
+ *
+ * Functions which handle translation between HTML and plain text
+ * Copyright (c) 2000-2005 by Art Cancro and others.   This program is
+ * released under the terms of the GNU General Public License.
+ */
+
+#include "sysdep.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <signal.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+# else
+#  include <time.h>
+# endif
+#endif
+
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+#include <limits.h>
+#include <libcitadel.h>
+#include "citadel.h"
+#include "server.h"
+#include "control.h"
+#include "sysdep_decls.h"
+#include "support.h"
+#include "config.h"
+#include "msgbase.h"
+#include "room_ops.h"
+#include "html.h"
+
+/*
+ * Convert HTML to plain text.
+ *
+ * inputmsg      = pointer to raw HTML message
+ * screenwidth   = desired output screenwidth
+ * do_citaformat = set to 1 to indent newlines with spaces
+ */
+char *html_to_ascii(char *inputmsg, int msglen, int screenwidth, int do_citaformat) {
+       char inbuf[SIZ];
+       int inbuf_len = 0;
+       char outbuf[SIZ];
+       char tag[1024];
+       int done_reading = 0;
+       char *inptr;
+       char *outptr;
+       size_t outptr_buffer_size;
+       size_t output_len = 0;
+       int i, j, ch, did_out, rb, scanch;
+       int nest = 0;           /* Bracket nesting level */
+       int blockquote = 0;     /* BLOCKQUOTE nesting level */
+       int styletag = 0;       /* STYLE tag nesting level */
+       int styletag_start = 0;
+       int bytes_processed = 0;
+       char nl[128];
+
+       strcpy(nl, "\n");
+       inptr = inputmsg;
+       strcpy(inbuf, "");
+       strcpy(outbuf, "");
+       if (msglen == 0) msglen = strlen(inputmsg);
+
+       outptr_buffer_size = strlen(inptr) + SIZ;
+       outptr = malloc(outptr_buffer_size);
+       if (outptr == NULL) return NULL;
+       strcpy(outptr, "");
+       output_len = 0;
+
+       do {
+               /* Fill the input buffer */
+               inbuf_len = strlen(inbuf);
+               if ( (done_reading == 0) && (inbuf_len < (SIZ-128)) ) {
+
+                       ch = *inptr++;
+                       if (ch != 0) {
+                               inbuf[inbuf_len++] = ch;
+                               inbuf[inbuf_len] = 0;
+                       } 
+                       else {
+                               done_reading = 1;
+                       }
+
+                       ++bytes_processed;
+                       if (bytes_processed > msglen) {
+                               done_reading = 1;
+                       }
+
+               }
+
+               /* Do some parsing */
+               if (!IsEmptyStr(inbuf)) {
+
+
+                   /* Fold in all the spacing */
+                   for (i=0; !IsEmptyStr(&inbuf[i]); ++i) {
+                       if (inbuf[i]==10) inbuf[i]=32;
+                       if (inbuf[i]==13) inbuf[i]=32;
+                       if (inbuf[i]==9) inbuf[i]=32;
+                       /*** we like foreign characters now.
+                       if ((inbuf[i]<32) || (inbuf[i]>126)) {
+                               inbuf[i] = '?';
+                       } */
+                   }
+                   for (i=0; !IsEmptyStr(&inbuf[i]); ++i) {
+                       while ((inbuf[i]==32)&&(inbuf[i+1]==32))
+                               strcpy(&inbuf[i], &inbuf[i+1]);
+                   }
+
+                   for (i=0; !IsEmptyStr(&inbuf[i]); ++i) {
+
+                       ch = inbuf[i];
+
+                       if (ch == '<') {
+                               ++nest;
+                               strcpy(tag, "");
+                       }
+
+                       else if (ch == '>') {   /* We have a tag. */
+                               if (nest > 0) --nest;
+
+                               /* Unqualify the tag (truncate at first space) */
+                               if (strchr(tag, ' ') != NULL) {
+                                       strcpy(strchr(tag, ' '), "");
+                               }
+                               
+                               if (!strcasecmp(tag, "P")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, nl);
+                               }
+
+                               if (!strcasecmp(tag, "/DIV")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, nl);
+                               }
+
+                               if (!strcasecmp(tag, "LI")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, " * ");
+                               }
+
+                               else if (!strcasecmp(tag, "/UL")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "H1")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "H2")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "H3")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "H4")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "/H1")) {
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "/H2")) {
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "/H3")) {
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "/H4")) {
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "HR")) {
+                                       strcat(outbuf, nl);
+                                       strcat(outbuf, " ");
+                                       for (j=0; j<screenwidth-2; ++j)
+                                               strcat(outbuf, "-");
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "BR")) {
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "TR")) {
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "/TABLE")) {
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "BLOCKQUOTE")) {
+                                       ++blockquote;
+                                       strcpy(nl, "\n");
+                                       for (j=0; j<blockquote; ++j) strcat(nl, ">");
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "/BLOCKQUOTE")) {
+                                       strcat(outbuf, "\n");
+                                       --blockquote;
+                                       strcpy(nl, "\n");
+                                       for (j=0; j<blockquote; ++j) strcat(nl, ">");
+                                       strcat(outbuf, nl);
+                               }
+
+                               else if (!strcasecmp(tag, "STYLE")) {
+                                       ++styletag;
+                                       if (styletag == 1) {
+                                               styletag_start = strlen(outbuf);
+                                       }
+                               }
+
+                               else if (!strcasecmp(tag, "/STYLE")) {
+                                       --styletag;
+                                       if (styletag == 0) {
+                                               outbuf[styletag_start] = 0;
+                                       }
+                               }
+
+                       }
+
+                       else if ((nest > 0) && (strlen(tag)<(sizeof(tag)-1))) {
+                               tag[strlen(tag)+1] = 0;
+                               tag[strlen(tag)] = ch;
+                       }
+                               
+                       else if (!nest) {
+                               outbuf[strlen(outbuf)+1] = 0;
+                               outbuf[strlen(outbuf)] = ch;
+                       }
+                   }
+                   strcpy(inbuf, &inbuf[i]);
+               }
+
+               /* Convert &; tags to the forbidden characters */
+               if (!IsEmptyStr(outbuf)) for (i=0; !IsEmptyStr(&outbuf[i]); ++i) {
+
+                       /* Character entity references */
+                       if (!strncasecmp(&outbuf[i], "&nbsp;", 6)) {
+                               outbuf[i] = ' ';
+                               strcpy(&outbuf[i+1], &outbuf[i+6]);
+                       }
+
+                       if (!strncasecmp(&outbuf[i], "&ensp;", 6)) {
+                               outbuf[i] = ' ';
+                               strcpy(&outbuf[i+1], &outbuf[i+6]);
+                       }
+
+                       if (!strncasecmp(&outbuf[i], "&emsp;", 6)) {
+                               outbuf[i] = ' ';
+                               strcpy(&outbuf[i+1], &outbuf[i+6]);
+                       }
+
+                       if (!strncasecmp(&outbuf[i], "&thinsp;", 8)) {
+                               outbuf[i] = ' ';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&lt;", 4)) {
+                               outbuf[i] = '<';
+                               strcpy(&outbuf[i+1], &outbuf[i+4]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&gt;", 4)) {
+                               outbuf[i] = '>';
+                               strcpy(&outbuf[i+1], &outbuf[i+4]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&amp;", 5)) {
+                               strcpy(&outbuf[i+1], &outbuf[i+5]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&quot;", 6)) {
+                               outbuf[i] = '\"';
+                               strcpy(&outbuf[i+1], &outbuf[i+6]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&lsquo;", 7)) {
+                               outbuf[i] = '`';
+                               strcpy(&outbuf[i+1], &outbuf[i+7]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&rsquo;", 7)) {
+                               outbuf[i] = '\'';
+                               strcpy(&outbuf[i+1], &outbuf[i+7]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&copy;", 6)) {
+                               outbuf[i] = '(';
+                               outbuf[i+1] = 'c';
+                               outbuf[i+2] = ')';
+                               strcpy(&outbuf[i+3], &outbuf[i+6]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&bull;", 6)) {
+                               outbuf[i] = ' ';
+                               outbuf[i+1] = '*';
+                               outbuf[i+2] = ' ';
+                               strcpy(&outbuf[i+3], &outbuf[i+6]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&hellip;", 8)) {
+                               outbuf[i] = '.';
+                               outbuf[i+1] = '.';
+                               outbuf[i+2] = '.';
+                               strcpy(&outbuf[i+3], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&trade;", 7)) {
+                               outbuf[i] = '(';
+                               outbuf[i+1] = 't';
+                               outbuf[i+2] = 'm';
+                               outbuf[i+3] = ')';
+                               strcpy(&outbuf[i+4], &outbuf[i+7]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&reg;", 5)) {
+                               outbuf[i] = '(';
+                               outbuf[i+1] = 'r';
+                               outbuf[i+2] = ')';
+                               strcpy(&outbuf[i+3], &outbuf[i+5]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&frac14;", 8)) {
+                               outbuf[i] = '1';
+                               outbuf[i+1] = '/';
+                               outbuf[i+2] = '4';
+                               strcpy(&outbuf[i+3], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&frac12;", 8)) {
+                               outbuf[i] = '1';
+                               outbuf[i+1] = '/';
+                               outbuf[i+2] = '2';
+                               strcpy(&outbuf[i+3], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&frac34;", 8)) {
+                               outbuf[i] = '3';
+                               outbuf[i+1] = '/';
+                               outbuf[i+2] = '4';
+                               strcpy(&outbuf[i+3], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&ndash;", 7)) {
+                               outbuf[i] = '-';
+                               outbuf[i+1] = '-';
+                               strcpy(&outbuf[i+2], &outbuf[i+7]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&mdash;", 7)) {
+                               outbuf[i] = '-';
+                               outbuf[i+1] = '-';
+                               outbuf[i+2] = '-';
+                               strcpy(&outbuf[i+3], &outbuf[i+7]);
+                       }
+
+                       else if (!strncmp(&outbuf[i], "&Ccedil;", 8)) {
+                               outbuf[i] = 'C';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&ccedil;", 8)) {
+                               outbuf[i] = 'c';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncmp(&outbuf[i], "&Egrave;", 8)) {
+                               outbuf[i] = 'E';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&egrave;", 8)) {
+                               outbuf[i] = 'e';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncmp(&outbuf[i], "&Ecirc;", 7)) {
+                               outbuf[i] = 'E';
+                               strcpy(&outbuf[i+1], &outbuf[i+7]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&ecirc;", 7)) {
+                               outbuf[i] = 'e';
+                               strcpy(&outbuf[i+1], &outbuf[i+7]);
+                       }
+
+                       else if (!strncmp(&outbuf[i], "&Eacute;", 8)) {
+                               outbuf[i] = 'E';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&eacute;", 8)) {
+                               outbuf[i] = 'e';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncmp(&outbuf[i], "&Agrave;", 8)) {
+                               outbuf[i] = 'A';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&agrave;", 8)) {
+                               outbuf[i] = 'a';
+                               strcpy(&outbuf[i+1], &outbuf[i+8]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&ldquo;", 7)) {
+                               outbuf[i] = '\"';
+                               strcpy(&outbuf[i+1], &outbuf[i+7]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&rdquo;", 7)) {
+                               outbuf[i] = '\"';
+                               strcpy(&outbuf[i+1], &outbuf[i+7]);
+                       }
+
+                       else if (!strncasecmp(&outbuf[i], "&acute;", 7)) {
+                               outbuf[i] = '\'';
+                               strcpy(&outbuf[i+1], &outbuf[i+7]);
+                       }
+
+                       /* two-digit decimal equivalents */
+                       else if ((!strncmp(&outbuf[i], "&#", 2))
+                             && (outbuf[i+4] == ';') ) {
+                               scanch = 0;
+                               sscanf(&outbuf[i+2], "%02d", &scanch);
+                               outbuf[i] = scanch;
+                               strcpy(&outbuf[i+1], &outbuf[i+5]);
+                       }
+
+                       /* three-digit decimal equivalents */
+                       else if ((!strncmp(&outbuf[i], "&#", 2))
+                             && (outbuf[i+5] == ';') ) {
+                               scanch = 0;
+                               sscanf(&outbuf[i+2], "%03d", &scanch);
+                               outbuf[i] = scanch;
+                               strcpy(&outbuf[i+1], &outbuf[i+6]);
+                       }
+
+               }
+
+               /* Make sure the output buffer is big enough */
+               if ((output_len + strlen(outbuf) + SIZ) > outptr_buffer_size) {
+                       outptr_buffer_size += SIZ;
+                       outptr = realloc(outptr, outptr_buffer_size);
+                       if (outptr == NULL) {
+                               abort();
+                       }
+               }
+
+               /* Output any lines terminated with hard line breaks */
+               do {
+                       did_out = 0;
+                       if (strlen(outbuf) > 0) {
+                           for (i = 0; i<strlen(outbuf); ++i) {
+                               if ( (i<(screenwidth-2)) && (outbuf[i]=='\n')) {
+
+                                       strncpy(&outptr[output_len], outbuf, i+1);
+                                       output_len += (i+1);
+
+                                       if (do_citaformat) {
+                                               strcpy(&outptr[output_len], " ");
+                                               ++output_len;
+                                       }
+
+                                       strcpy(outbuf, &outbuf[i+1]);
+                                       i = 0;
+                                       did_out = 1;
+                               }
+                       }
+                   }
+               } while (did_out);
+
+               /* Add soft line breaks */
+               if (strlen(outbuf) > (screenwidth - 2 )) {
+                       rb = (-1);
+                       for (i=0; i<(screenwidth-2); ++i) {
+                               if (outbuf[i]==32) rb = i;
+                       }
+                       if (rb>=0) {
+                               strncpy(&outptr[output_len], outbuf, rb);
+                               output_len += rb;
+                               strcpy(&outptr[output_len], nl);
+                               output_len += strlen(nl);
+                               if (do_citaformat) {
+                                       strcpy(&outptr[output_len], " ");
+                                       ++output_len;
+                               }
+                               strcpy(outbuf, &outbuf[rb+1]);
+                       } else {
+                               strncpy(&outptr[output_len], outbuf,
+                                       screenwidth-2);
+                               output_len += (screenwidth-2);
+                               strcpy(&outptr[output_len], nl);
+                               output_len += strlen(nl);
+                               if (do_citaformat) {
+                                       strcpy(&outptr[output_len], " ");
+                                       ++output_len;
+                               }
+                               strcpy(outbuf, &outbuf[screenwidth-2]);
+                       }
+               }
+
+       } while (done_reading == 0);
+
+       strcpy(&outptr[output_len], outbuf);
+       output_len += strlen(outbuf);
+
+       /* Strip leading/trailing whitespace.  We can't do this with
+        * striplt() because it uses too many strlen()'s
+        */
+       while ((output_len > 0) && (isspace(outptr[0]))) {
+               strcpy(outptr, &outptr[1]);
+               --output_len;
+       }
+       while ((output_len > 0) && (isspace(outptr[output_len-1]))) {
+               outptr[output_len-1] = 0;
+               --output_len;
+       }
+
+       if (outptr[output_len-1] != '\n') {
+               strcat(outptr, "\n");
+               ++output_len;
+       }
+
+       return outptr;
+
+}
diff --git a/webcit/html.h b/webcit/html.h
new file mode 100644 (file)
index 0000000..10f714d
--- /dev/null
@@ -0,0 +1,6 @@
+/*
+ * $Id: html.h 5148 2007-05-08 15:40:16Z ajc $
+ * 
+ */
+
+char *html_to_ascii(char *inputmsg, int msglen, int screenwidth, int do_citaformat);
index 76dd1ab0f4ddf6b1b0b9c3a2894555fd995226a0..2bf9619c1fca4ff5a9cd74444ca17534959f9537 100644 (file)
@@ -10,6 +10,7 @@
 #include "webcit.h"
 #include "webserver.h"
 #include "groupdav.h"
+#include "html.h"
 
 #define SUBJ_COL_WIDTH_PCT             50      /**< Mailbox view column width */
 #define SENDER_COL_WIDTH_PCT           30      /**< Mailbox view column width */
@@ -2855,6 +2856,7 @@ void post_mime_to_server(void) {
        static int seq = 0;
        struct wc_attachment *att;
        char *encoded;
+       char *txtmail;
        size_t encoded_length;
        size_t encoded_strlen;
 
@@ -2867,7 +2869,7 @@ void post_mime_to_server(void) {
                is_multipart = 1;
        }
 
-       if (is_multipart) {
+//     if (is_multipart) {
                sprintf(boundary, "Citadel--Multipart--%s--%04x--%04x",
                        serv_info.serv_fqdn,
                        getpid(),
@@ -2875,11 +2877,15 @@ void post_mime_to_server(void) {
                );
 
                /** Remember, serv_printf() appends an extra newline */
-               serv_printf("Content-type: multipart/mixed; "
-                       "boundary=\"%s\"\n", boundary);
+               if (is_multipart)
+                       serv_printf("Content-type: multipart/mixed; "
+                                   "boundary=\"%s\"\n", boundary);
+               else
+                       serv_printf("Content-type: multipart/alternative; "
+                                   "boundary=\"%s\"\n", boundary);
                serv_printf("This is a multipart message in MIME format.\n");
                serv_printf("--%s", boundary);
-       }
+//     }
 
        serv_puts("Content-type: text/html; charset=utf-8");
        serv_puts("Content-Transfer-Encoding: quoted-printable");
@@ -2887,6 +2893,16 @@ void post_mime_to_server(void) {
        serv_puts("<html><body>\r\n");
        text_to_server_qp(bstr("msgtext"));     /** Transmit message in quoted-printable encoding */
        serv_puts("</body></html>\r\n");
+
+       serv_puts("Content-type: text/plain; charset=utf-8");
+       serv_puts("Content-Transfer-Encoding: quoted-printable");
+       serv_puts("");
+
+       txtmail = html_to_ascii(bstr("msgtext"), 0, 80, 0);
+       text_to_server_qp(txtmail);     /** Transmit message in quoted-printable encoding */
+       free(txtmail);
+       if (!is_multipart)
+           serv_printf("--%s", boundary);
        
        if (is_multipart) {