Caldav PNG-Bilder (5)
iCalendar Apple MacOS - andere
Kalender Tage Kalender Datum Google Kalender iCalendar - Diese vergängliche Welt
Kolab CalDAV Logo iCalendar Femme Amsterdam - andere
E-Mail-server E-Mail Message transfer agent Outlook.com CardDAV - E Mail
Message transfer agent-Computer-Server (Simple Mail Transfer Protocol E-Mail Internet Message Access Protocol - E Mail