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Access and Features

Configuration of E-Mail Clients

Please use the following information to configure your e-mail client:

User Data for Mailserver

POP3-Host (Port 110):	mail.Your-Domain.de
SMTP-Host (Port 25):	mail.Your-Domain.de
Username:	full e-mail address (e.g. user1@Your-Domain.com)
Password:	as told after your account was created

Notes:
For security reasons our Linux mailservers (SMTP) do not support "relaying". As a consequence you must either authenticate yourself with username/password when sending mail (you can configure most clients to do so) or you must - using some kind of backdoor - fetch mails from your server before sending mails (SMTP-after-POP3).

If you use an e-mail client that requieres username and POP3 host within a single text field (in the form username@pop3-host), you must replace the "@" in your e-mail address with a "%" (percent sign) ersetzen (e.g. user1%Your-Domain.com@mail.Your-Domain.com).

Features

Our Mailservers support the following features:

• IMAP (RFC 2060)
• APOP (RFC 1939)
• POP3_AUTH using the modes LOGIN and CRAM-MD5 (RFC 1734, RFC 2095)
• POP3S (Port 995), IMAPS (Post 993): tunnel via SSL/TLS
• SMTP-after-POP3
• SMTP_AUTH using the modes PLAIN, LOGIN and CRAM-MD5 (RFC 2554)
• SMTPS (Port 25, starttls, RFC 3207)
• Blocking of executable file attachments (further information in German: Virenschutz)
  Please use an archive for sending executable files, e.g. ZIP.
• Virus scan of incoming and outgoing e-mails (further information in German: Virenschutz)
  
• Spam filter based on DNSBL (further information in German: Spamschutz)
  
• Tagging of spam in the mail header (X-Spam-Status: Yes) by SpamAssassin (further information in German: Spamschutz)
• Tagging of spam in the mail header (X-DSPAM-Result: SPAM) by DSPAM on user level (further information in German: Spamtrainer)
• Server-side e-mail filtering (on request)
• Web interface to read, write and manage your e-mails
  (via http://mail.Your-Domain.com)
• Web interface to manage e-mail accounts, aliases and forwarders
  (via http://mailadmin.Your-Domain.com)
• Configurable mailing list manager

Please use the security features APOP and SMTP_AUTH CRAM-MD5 whenever possible.