After sleep, telnet on local host fails

[Jonathan Ryshpan]

After waking my system up from sleep mode, telnet on the local host
doesn't work for a minute or two.  Here's a typical attempt, which was
run about a minute after waking the system up:
	$ telnet localhost 25
	Trying ::1...
	telnet: connect to address ::1: Connection refused
	Trying 127.0.0.1...
	telnet: connect to address 127.0.0.1: Connection refused
After a minute or two sendmail works fine.  This is no biggie, the only
bad consequence is that fetchmail won't fetch anything for a minute or
two; but it would be nice to know what's going on.

jon