Ubuntu List vs Gmail - This message may not have been sent by:

[Tom H]

On Sat, Jul 16, 2011 at 5:49 PM, drew einhorn <drew.einhorn at gmail.com> wrote:
> On Fri, Jul 15, 2011 at 10:07 PM, Tom H <tomh0665 at gmail.com> wrote:
>> On Fri, Jul 15, 2011 at 8:24 PM, Avi <lists at avi.co> wrote:
>> > Tom H wrote:
>> >>
>> >> it doesn't happen with my other lists so it's an Ubuntu "problem."
>> >
>> > I've seen it reported on several other lists. It's a Gmail feature
>> > rather than anybody else's problem.
>>
>> It's a Gmail security feature and, as I said, it doesn't happen with
>> MY other list sunscriptions, which doesn't preclude that other,
>> non-Ubuntu lists might have this issue.
>
> It may be because ubuntu.com has no SPF records in DNS.  Or it may be more
> complicated than that.

https://lists.ubuntu.com/archives/ubuntu-users/2011-July/248163.html