diff -up cyrus-imapd-2.3.15/lib/prot.c.nodebug cyrus-imapd-2.3.15/lib/prot.c
--- cyrus-imapd-2.3.15/lib/prot.c.nodebug	2009-11-05 14:20:53.845020152 +0100
+++ cyrus-imapd-2.3.15/lib/prot.c	2009-11-05 14:21:35.932145246 +0100
@@ -329,7 +329,7 @@ static int is_incompressible(const char 
 
     while (sig->type) {
 	if (n >= sig->len && !memcmp(p, sig->sig, sig->len)) {
-	    syslog(LOG_DEBUG, "data is %s", sig->type);
+// 	    syslog(LOG_DEBUG, "data is %s", sig->type);
 	    return 1;
 	}
 	sig++;
@@ -642,14 +642,14 @@ int prot_fill(struct protstream *s)
 	    s->zstrm->next_out = s->zbuf;
 	    s->zstrm->avail_out = s->zbuf_size;
 
-	    syslog(LOG_DEBUG, "inflate(%d bytes)", s->cnt);
+// 	    syslog(LOG_DEBUG, "inflate(%d bytes)", s->cnt);
 
 	    do {
 		if (!s->zstrm->avail_out) {
 		    /* Need more space to decompress */
-		    syslog(LOG_DEBUG,
-			   "growing decompress buffer from %d to %d bytes",
-			   s->zbuf_size, s->zbuf_size + PROT_BUFSIZE);
+// 		    syslog(LOG_DEBUG,
+// 			   "growing decompress buffer from %d to %d bytes",
+// 			   s->zbuf_size, s->zbuf_size + PROT_BUFSIZE);
 
 		    s->zbuf = (unsigned char *)
 			xrealloc(s->zbuf, s->zbuf_size + PROT_BUFSIZE);
@@ -670,7 +670,7 @@ int prot_fill(struct protstream *s)
 	    s->ptr = s->zbuf;
 	    s->cnt = s->zbuf_size - s->zstrm->avail_out;
 
-	    syslog(LOG_DEBUG, "   => decompressed to %d bytes", s->cnt);
+// 	    syslog(LOG_DEBUG, "   => decompressed to %d bytes", s->cnt);
 	}
 #endif /* HAVE_ZLIB */
 	
@@ -760,8 +760,8 @@ static int prot_flush_encode(struct prot
 	     * Oversize the buffer, so we (hopefully) eliminate
 	     * multiple small incremental reallocations.
 	     */
-	    syslog(LOG_DEBUG, "growing compress buffer from %u to %lu bytes",
-		   s->zbuf_size, def_size + PROT_BUFSIZE);
+// 	    syslog(LOG_DEBUG, "growing compress buffer from %u to %lu bytes",
+// 		   s->zbuf_size, def_size + PROT_BUFSIZE);
 
 	    s->zbuf_size = def_size + PROT_BUFSIZE;
 	    s->zbuf = (unsigned char *) xrealloc(s->zbuf, s->zbuf_size);
@@ -772,9 +772,9 @@ static int prot_flush_encode(struct prot
 	s->zstrm->next_out = s->zbuf;
 	s->zstrm->avail_out = s->zbuf_size;
 
-	syslog(LOG_DEBUG, "deflate(%d bytes, level=%d, flush=%s)",
-	       left, s->zlevel,
-	       zflush == Z_FULL_FLUSH ? "FULL" : "SYNC");
+// 	syslog(LOG_DEBUG, "deflate(%d bytes, level=%d, flush=%s)",
+// 	       left, s->zlevel,
+// 	       zflush == Z_FULL_FLUSH ? "FULL" : "SYNC");
 
 	if (s->boundary) {
 	    /* Set (new) compression level */
@@ -791,7 +791,7 @@ static int prot_flush_encode(struct prot
 	ptr = s->zbuf;
 	left = s->zbuf_size - s->zstrm->avail_out;
 
-	syslog(LOG_DEBUG, "   => compressed to %d bytes", left);
+// 	syslog(LOG_DEBUG, "   => compressed to %d bytes", left);
     }
 #endif /* HAVE_ZLIB */