Description of problem:

Yesterday I updated my computer from Fedora Core 5 to Fedora Core 6. I
could then not access my email by POP3. I found the cause of the
problem this morning; the file /etc/hosts had been set wrongly during
installation.

The /etc/hosts file was:

  /etc:
  -rw-r--r--   2 root root     140 Nov 21 21:37 hosts~

# Do not remove the following line, or various programs
# that require network functionality will fail.
::1	localhost.localdomain	localhost

And my troubles with fetchmail were:

/home/mhd: fetchmail
2 messages for m37907441-1 at pop.1and1.com (4675 octets).
reading message m37907441-1.com:1 of 2 (1885 octets) .fetchmail: SMTP
connect to localhost failed
fetchmail: SMTP transaction error while fetching from m37907441-1.com
and delivering to SMTP host localhost
fetchmail: Query status=10 (SMTP)
fetchmail: No mail for m37907441-3 at pop.1and1.com
/home/mhd: 
/home/mhd: 

Before upgrading I had saved my /etc directory so I was able to find
my previous /etc/hosts file and copy over to the /etc directory

  /etc:
  -rw-r--r--   1 root root     146 Nov 22 09:16 hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1	localhost.localdomain	localhost

Fetchmail now worked

/home/mhd: 
/home/mhd: fetchmail
2 messages for m37907441-1 at pop.1and1.com (4675 octets).
reading message m37907441-1.com:1 of 2 (1885 octets) . flushed
reading message m37907441-1.com:2 of 2 (2790 octets) .. flushed
fetchmail: No mail for m37907441-3 at pop.1and1.com
/home/mhd: 


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