| Name | Dec 13 | Dec 14 | Dec 15 | Dec 16 | Dec 17 | Dec 18 | Dec 19 | |
|---|---|---|---|---|---|---|---|---|
| adressbuch.mail.de HTTPS | green | green | green | green | green | green | green | |
| demo.mail.de HTTPS | green | green | green | green | green | green | green | |
| kalender.mail.de HTTPS | green | green | green | green | green | green | green | |
| mail.de HTTPS | green | green | green | green | green | green | green | |
| mail.de IMAP | green | green | green | green | green | green | green | |
| mail.de MX01 | green | green | green | green | green | green | green | |
| mail.de MX02 | green | green | green | green | green | green | green | |
| mail.de POP3 | green | green | green | green | green | green | green | |
| mail.de SMTP IPv4 | green | green | green | green | green | green | green | |
| my.mail.de HTTPS | green | green | green | green | green | green | green |