501550 - not able to connect to mail server via DNS

Status: RESOLVED DUPLICATE of bug 480529

(Thunderbird :: General, defect)

Description

[bugzilla]

User-Agent:       Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.11) Gecko/2009060309 Ubuntu/9.04 (jaunty) Firefox/3.0.11
Build Identifier: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.1.1pre) Gecko/20090630 Lightning/1.0pre Shredder/3.0b3pre

connecting to any mail server via FQDN will result in an immediate connection failure on all ports.. 25, 465, 143, 993, 110, 995, 80, 443. tcpdump show no packets transmitted on local machine or remote server. Changing account setting to an IP address allows a connection to be made and mail will downloaded.

Reproducible: Always

Steps to Reproduce:
1. Open thunderbird
2. create a new email account or open an existing one
Actual Results:  
error dialog box pops up... "unable to connect to mail.domain.com"

Expected Results:  
mail downloads

Any web page that loads in the preview pane fails to load. Using Ubuntu 9.04. All other network applications work, including older version of Thunderbird (v2.0.x). Same build works on OS X 10.5 in the same network.

Comment 1

[rsx11m]

It looks like you are running a 32-bit build on a 64-bit Ubuntu installation.
If the workaround in bug 480529 comment #36 helps, you ran into bug 414197.

Comment 2

[bugzilla]

thanks for the quick reply. setting disable IPv6 to true resolved the issue.