Thunderbird ,etc. Not connecting.

[fcookvt]

After upgrading, Firefox and Kmail function. Thunderbird won't connect to the POP server. Also Google Earth and Dropbox will not connect with their respective servers. Any thoughts?

[fcookvt]

Re: Thunderbird ,etc. Not connecting.

Here is the output from ifconfig
eth0 Link encap:Ethernet HWaddr 00:1a:92:dd:34:b9
inet addr:192.168.1.100 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::21a:92ff:fedd:34b9/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:23846 errors:0 dropped:0 overruns:0 frame:0
TX packets:15999 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:32173354 (32.1 MB) TX bytes:2435481 (2.4 MB)
Interrupt:23 Base address:0x2000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:166 errors:0 dropped:0 overruns:0 frame:0
TX packets:166 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:13571 (13.5 KB) TX bytes:13571 (13.5 KB)

[GreyGeek]

Re: Thunderbird ,etc. Not connecting.

If you can, in a Konsole,
ping 74.125.93.105
and get a response, but you can't
ping google.com
and get a packets back, then it is a problem with your /etc/resolv.conf file which wasn't properly populated with the IP address of your ISP's DNS servers.

Mine looks like this:

nameserver 207.69.188.186
nameserver 207.69.188.187
domain earthlink.net
search earthlink.net

If so, check your network manger client for its DNS settings.

[fcookvt]

Re: Thunderbird ,etc. Not connecting.

I can ping google.com and also dropbox.com and get packets back.

[GreyGeek]

Re: Thunderbird ,etc. Not connecting.

I can ping google.com and also dropbox.com and get packets back.

If you can ping their domain name (and not just their IP address) and get packets back then there is nothing wrong with your /etc/resolv.conf or your connection.

Redo your ping command, copy the results and paste them here in your next reply.

Your POP account must be misconfigured if your Internet connection can get packets back from pinging a domain name.

[fcookvt]

Re: Thunderbird ,etc. Not connecting.

Here is the output:
fran@fran-desktop:~$ ping 74.125.93.105
PING 74.125.93.105 (74.125.93.105) 56(84) bytes of data.
64 bytes from 74.125.93.105: icmp_seq=1 ttl=49 time=40.2 ms
64 bytes from 74.125.93.105: icmp_seq=2 ttl=49 time=40.0 ms
64 bytes from 74.125.93.105: icmp_seq=3 ttl=49 time=40.0 ms
64 bytes from 74.125.93.105: icmp_seq=4 ttl=49 time=40.3 ms
64 bytes from 74.125.93.105: icmp_seq=5 ttl=49 time=40.1 ms
64 bytes from 74.125.93.105: icmp_seq=6 ttl=49 time=40.2 ms
64 bytes from 74.125.93.105: icmp_seq=7 ttl=49 time=40.0 ms
64 bytes from 74.125.93.105: icmp_seq=8 ttl=49 time=40.1 ms
64 bytes from 74.125.93.105: icmp_seq=9 ttl=49 time=39.9 ms
64 bytes from 74.125.93.105: icmp_seq=10 ttl=49 time=40.0 ms
64 bytes from 74.125.93.105: icmp_seq=11 ttl=49 time=39.7 ms
64 bytes from 74.125.93.105: icmp_seq=12 ttl=49 time=39.9 ms
64 bytes from 74.125.93.105: icmp_seq=13 ttl=49 time=39.7 ms

PING google.com (74.125.91.147) 56(84) bytes of data.
64 bytes from google.com (74.125.91.147): icmp_seq=1 ttl=49 time=40.1 ms
64 bytes from google.com (74.125.91.147): icmp_seq=2 ttl=49 time=40.3 ms
64 bytes from google.com (74.125.91.147): icmp_seq=3 ttl=49 time=40.0 ms
64 bytes from google.com (74.125.91.147): icmp_seq=4 ttl=49 time=39.7 ms
64 bytes from google.com (74.125.91.147): icmp_seq=5 ttl=49 time=40.1 ms
64 bytes from google.com (74.125.91.147): icmp_seq=6 ttl=49 time=39.9 ms
64 bytes from google.com (74.125.91.147): icmp_seq=7 ttl=49 time=40.9 ms
64 bytes from google.com (74.125.91.147): icmp_seq=8 ttl=49 time=40.0 ms
64 bytes from google.com (74.125.91.147): icmp_seq=9 ttl=49 time=40.1 ms
64 bytes from google.com (74.125.91.147): icmp_seq=10 ttl=49 time=40.3 ms

[GreyGeek]

Re: Thunderbird ,etc. Not connecting.

Well, we have some other possibilities to look at.

Paste a copy of your /etc/hosts file here.

Is "eth0" a designation for a cable ethernet connection, or for a wireless connection? I will assume the most common usage of "eth0", which is the cat5 cable connection.

Since you can ping an IP address and that IP address's domain name and get packets back it suggests that yours is like some modem/routers that collect packet info. When the number of bad/dropped packets reach a certain number, the modem/router can't handle it and must be "rebooted" to clear the statistics table. I often leave my wireless modem/router on for days at a time. Have you recently rebooted yours?


Or, some modem/routers have a proxy server setting checked but no proxy address. Check that out.

Also, to see if FireFox settings are the problem, check Konqueror and/or Chrome to see if they can browse Google or Drop box web sites. Check FireFox's IPv6 settings. (put "about:config" in the the URL line.) The "network.dns.disableIPv6" should be set to "true".

Also, and more likely, your mtu setting is not 1500. If you are using KNetworkManager then delete your current network profile, create a new one, and be sure the mtu setting is 1500 (not 1492).

[fcookvt]

Re: Thunderbird ,etc. Not connecting.

etc/hosts:
127.0.0.1 localhost
127.0.1.1 fran-desktop

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

Konqueror is fully functional.

How do I access KNetwork manager to change profile/mtu setting?

Thanks for all your efforts.

[oshunluvr]

Re: Thunderbird ,etc. Not connecting.

eth0 Link encap:Ethernet HWaddr 00:1a:92:dd:34:b9
inet addr:192.168.1.100 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::21a:92ff:fedd:34b9/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:23846 errors:0 dropped:0 overruns:0 frame:0
TX packets:15999 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:32173354 (32.1 MB) TX bytes:2435481 (2.4 MB)
Interrupt:23 Base address:0x2000

Sounds more like a firewall/router issue or possibly a route issue. What's your setup - network/internet wise?

[fcookvt]

Re: Thunderbird ,etc. Not connecting.

I'm in an office with wired DSL. I don't have access to the router. I tried 192.168.1.1 in Firefox (which is working) but didn't connect.

[GreyGeek]

Re: Thunderbird ,etc. Not connecting.

Konqueror works -- i.e., it browses any site you point it to, but FireFox does not work.

This suggests a setting problem in FireFox. Without getting into the contents of the "about:config" page of FireFox, lets do the easy thing first.

Open Synaptic and *completely* uninstall FireFox.
Reboot.
Run "sudo apt-get autoremove" in a Konsole, then close the console.
Re-install FireFox 3.6.x

[fcookvt]

Re: Thunderbird ,etc. Not connecting.

Sorry, Firefox does work. as does KMail. Thunderbird times out trying to connect with the POP server of my ISP. Also Google Earth and Dropbox do not connect to their respective servers.

[oshunluvr]

Re: Thunderbird ,etc. Not connecting.

Ok, thats weird

[perspectoff]

Re: Thunderbird ,etc. Not connecting.

Got any firewalls in the way?

POP and secure Pop, IMAP and secure IMAP, SMTP and secure SMTP all use different ports -- the ports for whatever you use must be unblocked.

[fcookvt]

Re: Thunderbird ,etc. Not connecting.

Kmail is functional and uses port 110. Thunderbird is configured to use port 110 as well, but will not connect.