Re: SPAM filtering

[Dan Oachs <doachs () GAC EDU>]

Our mailservers enforce SPF records and we attempt to educate everyone we
can when we are notified that a message was blocked because the SPF records
say we should.  It is really crazy how many organizations know enough to
setup SPF records but not keep them updated/correct over time.

--Dan

On Wed, Oct 2, 2019 at 11:30 AM Thomas Carter <tcarter () austincollege edu>
wrote:

> I wasn’t sure which listserv to post this on, so I thought I’d give this
> one a shot.
>
>
>
> We recently switched to Barracuda for our spam filtering solution. We
> started with the default settings, but have seen a large number of valid
> messages getting flagged due to incorrect DKIM and/or SPF settings,
> including other .edu domains. I’ve been trying to notify the ones we find,
> but I wildly underestimated the number of domains with incorrect SPF
> records; they have records, they just aren’t correct (e.g. they use Office
> 365 for email, but don’t have Microsoft’s SPF info in their record). I
> think we’re going to have to back off on filtering based on them. Do you
> flag emails based on SPF FAIL/soft FAIL or incorrect DKIM? Do you make sure
> it’s correct at your institution?
>
>
>
> *Thomas Carter*
> Network & Operations Manager / IT
>
> *Austin College*
> 900 North Grand Avenue
> Sherman, TX 75090
>
> Phone: 903-813-2564
> www.austincollege.edu
>
>
>
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