diff --git a/lib/url.c b/lib/url.c
index b43829220..cef8a9806 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -3771,6 +3771,10 @@ static CURLcode parseurlandfillconn(struct SessionHandle *data,
         protop = "LDAP";
       else if(checkprefix("IMAP.", conn->host.name))
         protop = "IMAP";
+      else if(checkprefix("SMTP.", conn->host.name))
+        protop = "smtp";
+      else if(checkprefix("POP3.", conn->host.name))
+        protop = "pop3";
       else {
         protop = "http";
       }