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"""
Email message and email sending related helper functions.
"""
import socket
# Cache the hostname, but do it lazily: socket.getfqdn() can take a couple of
# seconds, which slows down the restart of the server.
class CachedDnsName:
def __str__(self):
return self.get_fqdn()
def get_fqdn(self):
if not hasattr(self, '_fqdn'):
self._fqdn = socket.getfqdn()
return self._fqdn
DNS_NAME = CachedDnsName()
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