Two of the most popular are:
ZoneEdit (www.zonedit.com/)??”Supported by the ez-ipupdate package.
No-IP (www.no-ip.com/)??”Supported by the no-ip package.
The ez-ipupdate package supports both of these, plus a number of others. View the
package description (apt-cache show ez-ipupdate) for more information.
Most of these services will provide you with a hostname under a shared domain at no charge and
can also provide a similar service for your own domain for a reasonable fee.
Configuring for Retrieval from a Mail Host
The configuration requirements when retrieving mail from a mail host are pretty limited. Your
server should be ready to accept mail addressed to localhost and should generally have a name
that is unique to it. In the event that a message sent to one of your mailboxes is rejected, the server
will need to have a valid host name by which to identify itself when sending out the DSN (Delivery
Status Notification).
You must be able to access the server from clients, although you may need to do so only from clients
within your network. In either case, you should be familiar with the information about DNS and A
records in the previous section.
Installing and Configuring
the Mail Server Software
Once you have finished with the prerequisites, you will be ready to begin the software installation.
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