1 files changed, 3 insertions, 0 deletions
diff --git a/pop3.c b/pop3.c
index 430ff8d7..4dfbd3b1 100644
--- a/pop3.c
+++ b/pop3.c
@@ -222,6 +222,7 @@ static int capa_probe(int sock)
     if (ok == PS_SUCCESS)
     {
 	char buffer[64];
+	char *cp;
 
 	/* determine what authentication methods we have available */
 	while ((ok = gen_recv(sock, buffer, sizeof(buffer))) == 0)
@@ -229,6 +230,8 @@ static int capa_probe(int sock)
 	    if (DOTLINE(buffer))
 		break;
 
+	    for (cp = buffer; *cp; cp++) *cp = toupper((unsigned char)*cp);
+
 #ifdef SSL_ENABLE
 	    if (strstr(buffer, "STLS"))
 		has_stls = TRUE;