Gmail spam filtering

Jay R. Ashworth jra at
Sun Nov 22 19:36:50 UTC 2015

That wasn't a problem prior to my departure, but apparently it is now.

I've just added an SPF for the domain.
-- j

----- Original Message -----
> From: "Filip Hruska" <fhr at>
> To: nanog at
> Sent: Sunday, November 22, 2015 12:33:29 PM
> Subject: Re: Gmail spam filtering

> You might need to setup/change a SPF record for that domain. I always
> had Google marking my email as spam when I tried to send emails with no
> SPF record.
> On 11/22/2015 06:03 PM, Jay Ashworth wrote:
>> Bout a month ago, I had someone crack a POP password on my private mail server,
>> and got a couple days of spam out through it before I caught it on Sunday
>> afternoon.
>> I locked it down, and am this weekend replacing that mail server with one
>> of current vintage, serving the same domain from a linode instance on a
>> different IP and, obviously, transport network.
>> I'm finding, though, that gmail is spam-filing the emails I send out,
>> presumably because they're on the same domain name in the envelope.
>> Anyone got a pointer to where I go to assure Google I'm on top of it now?
>> The mail delivers to their inbound MX ok, it just ends up in the spam folder,
>> even on my business GoogleApps account.  Delivers to Yahoomail just fine.
>> I checked the new IP in the MXtoolbox RBL checker, and no hits, but does
>> gmail know what ranges are assigned to VPS providers, like with the cable
>> swamp, and bias its spamchecking accordingly?
>> Cheers,
>> -- jra

More information about the NANOG mailing list