nanog mailing list archives

Re: gmail spam help


From: DJ Anderson <dj () techwebhosting com>
Date: Thu, 12 Feb 2015 06:58:31 -0900 (AKST)

A good tool to test all that is mxtoolbox.com. They have black list checks and SMTP tests that will check your PTR 
records and other things. They also provide free weekly blacklist checks for one domain. 

DJ Anderson
Sent from my iPhone 

On Feb 12, 2015, at 10:53 AM, Scott Helms <khelms () zcorum com> wrote:

I'd be interested to know how you can be so adamant about the lack of spam
from this specific server.  A great percentage of the spam hitting servers
I have visibility into comes from very similar kinds of set ups because
they tend to have little or no over sight in place.

Also, lots of commercial email gets flagged as spam by users, even when
they opted in for the email.  If enough people flagged email from this
server as spam it will cause Google to consider other email from the same
small server as likely to be spam as well.  Small systems, especially new
ones, tend to unintentionally look like spam sources by not having proper
reverse records, making sure you have SPF set up for the domain, etc.


Scott Helms
Vice President of Technology
ZCorum
(678) 507-5000
--------------------------------
http://twitter.com/kscotthelms
--------------------------------

On Thu, Feb 12, 2015 at 10:41 AM, Alex Rubenstein <alex () corp nac net> wrote:

I should have been clearer.

I have been getting complaints from my sales folks that when they send
emails to people who use gmail (either a gmail account or google apps) that
they recipient is reporting that the email is ending up in the Spam folder.
So, I tested this myself, sending an email from alex () corp nac net<mailto:
alex () corp nac net> to rubenstein45 () gmail com<mailto:rubenstein45 () gmail com

[cid:image001.png@01D046AD.3B2FA890]

This is curious to me, since @corp.nac.net is a small exchange
implementation with only about 50 users behind it, and there is no question
that there is no spamming going on from here.

So, it’s not a question of adding a filter or not using gmail; it is not
me who is using gmail in this problem.



From: Josh Luthman [mailto:josh () imaginenetworksllc com]
Sent: Thursday, February 12, 2015 9:32 AM
To: Alex Rubenstein
Cc: NANOG list
Subject: Re: gmail spam help


Create a filter.

Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Feb 12, 2015 8:11 AM, "Alex Rubenstein" <alex () corp nac net<mailto:
alex () corp nac net>> wrote:
Is there anyone on-list that can help me with a world -> gmail email
issue, where email is being considering spam by gmail erroneously?

Thanks.




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