From b378d055f2fc6427e9baf3d1a8397b8f0fa18b95 Mon Sep 17 00:00:00 2001
From: TAKAHASHI Tamotsu <ttakah@lapis.plala.or.jp>
Date: Mon, 19 Jul 2004 21:44:23 +0000
Subject: [PATCH] Fix #1548.  (The first variant, with $imap_headers specifying
 headers that are downloaded in addition to the set required for mutt to work
 properly.)

---
 globals.h      |  1 +
 imap/message.c | 10 +++++-----
 init.h         |  9 +++++++++
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/globals.h b/globals.h
index 4f3adbb5..15ad2491 100644
--- a/globals.h
+++ b/globals.h
@@ -55,6 +55,7 @@ WHERE char *Hostname;
 #ifdef USE_IMAP
 WHERE char *ImapAuthenticators INITVAL (NULL);
 WHERE char *ImapDelimChars INITVAL (NULL);
+WHERE char *ImapHeaders;
 WHERE char *ImapHomeNamespace INITVAL (NULL);
 WHERE char *ImapPass INITVAL (NULL);
 WHERE char *ImapUser INITVAL (NULL);
diff --git a/imap/message.c b/imap/message.c
index 15d0fa55..5d302592 100644
--- a/imap/message.c
+++ b/imap/message.c
@@ -55,19 +55,19 @@ int imap_read_headers (IMAP_DATA* idata, int msgbegin, int msgend)
   IMAP_HEADER h;
   int rc, mfhrc, oldmsgcount;
   int fetchlast = 0;
-  const char *want_headers = "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE IN-REPLY-TO REPLY-TO LINES X-LABEL";
+  const char *want_headers = "DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES X-LABEL";
 
   ctx = idata->ctx;
 
   if (mutt_bit_isset (idata->capabilities,IMAP4REV1))
   {
-    snprintf (hdrreq, sizeof (hdrreq), "BODY.PEEK[HEADER.FIELDS (%s)]", 
-      want_headers); 
+    snprintf (hdrreq, sizeof (hdrreq), "BODY.PEEK[HEADER.FIELDS (%s %s)]", 
+      want_headers, ImapHeaders); 
   } 
   else if (mutt_bit_isset (idata->capabilities,IMAP4))
   {
-    snprintf (hdrreq, sizeof (hdrreq), "RFC822.HEADER.LINES (%s)", 
-      want_headers);
+    snprintf (hdrreq, sizeof (hdrreq), "RFC822.HEADER.LINES (%s %s)", 
+      want_headers, ImapHeaders);
   }
   else
   {	/* Unable to fetch headers for lower versions */
diff --git a/init.h b/init.h
index 59e1bf91..cf40ff3b 100644
--- a/init.h
+++ b/init.h
@@ -808,6 +808,15 @@ struct option_t MuttVars[] = {
   ** connecting to IMAP servers.
   */
 # endif
+  { "imap_headers",	DT_STR, R_INDEX, UL &ImapHeaders, UL 0},
+  /*
+  ** .pp
+  ** Mutt requests these header fields in addition to the default headers
+  ** ("DATE FROM SUBJECT TO CC MESSAGE-ID REFERENCES CONTENT-TYPE
+  ** CONTENT-DESCRIPTION IN-REPLY-TO REPLY-TO LINES X-LABEL") from IMAP
+  ** servers before displaying the index menu. You may want to add more
+  ** headers for spam detection. \fBNote:\fP This is a space separated list.
+  */
   { "imap_home_namespace",	DT_STR, R_NONE, UL &ImapHomeNamespace, UL 0},
   /*
   ** .pp
-- 
2.40.0