6.3 Communication
6.3.1
Internet protocol
The following IP addresses are reserved for private networks:
Private networks
•
Class A: 10.0.0.0–10.255.255.255
•
Class B: 172.16.0.0–172.31.255.255
•
Class C: 192.168.0.0–192.168.255.255 (typical for home networks)
There are predefined public ports and ranges for private ports:
Ports
HTTP: 80
Public
FTP: 21
SMTP: 25
Group:
49152 to 65535.
Private
6.3.2
Free e-mail account providers
You can use free-of-charge e-mail accounts to send e-mails. Note that some ISPs
work with encryption or can be accessed and used only via the web server's DSL
connection.
The web server does not support HTTPS, i.e. you cannot choose ISPs requiring
HTTPS. The following list is not all-inclusive, ISPs are subject to change.
Note
Free e-mail account
providers
Address mail server
Port mail server
Authentication
Restriction
mail.bluevaria.de 25
Yes
mail.gmx.net 25
Yes
SSL required
SSL required
smtp.web.de 25
Yes
smtp.mail.yahoo.com 25
Yes
Online service providers
smtp.alice-dsl.net 25
Yes
smtp.de.aol.com
587
Yes
smtp.aim.com 587
Yes
mail.arcor.de 25
Yes
mgate.chello.at 25
Yes
Only with Chello DSL connection
smtp.compuserve.de 25
Yes
mx.freenet.de 25
Yes
smtp.netcologne.de 25
Yes
Only with NetCologne DSL connection
mailto.t-online.de 25
Yes
Only with T-Online DSL connection
smtpmail.t-online.de 25
Yes
smtp.tiscali.de 25
Yes
Only with Tiscali DSL connection
Additional information on free e-mail providers:
•
http://www.patshaping.de/hilfen_ta/pop3_smtp.htm
•
http://www.iopus.com/guides/bestpopsmtp.htm
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Siemens Web
server
CE1C5711en
Building Technologies
Appendix
25.08.2010