Could not resolve host: imaps/pop3

```
curlie  -k 'imaps://<ip>'   --user user:passwd
curlie  -k 'pop3://<ip>'  --user user:passwd

curl: (6) Could not resolve host: imaps
curl: (6) Could not resolve host: pop3
```

` curl  -k 'imap://<ip>'  --user user:passwd ✅`

why?


