This class is deprecated.
Use MailFetcherService directly
This class is an internal implementation detail and will change without notice.
Clients that depend on
classes and interfaces can not expect to be compatible with any version
other than the version they were compiled against (even minor version and milestone releases may break binary
compatibility with respect to
This class remains here only to prevent alarming exceptions from occuring during system upgrade.
Please don't use it for any purpose, extend the MailFetcherService class directly.
This method must be implemented in a subclass, and performs the functionality
that the service performs. This method is called after the duration specified through
the administration web interface.