We are very sorry, but for security reasons, the port is in principle closed.
We ask for your understanding that the port cannot be opened by the customer.
list of open ports
| Protocol | Port |
|---|---|
| FTP | 20, 21 |
| SSH | 22 |
| SMTP | 25, 587 |
| HTTP | 80 |
| POP3 | 110 |
| IMAP | 143 |
| HTTPS | 443 |
| IMAPS | 993 |
| POP3S | 995 |