Thanks all, am going to follow up on the info Luke sent and see if I can get
things moving on the AT side. We like to have customer emails specific to
their own servers to make it easy to track abuse, but I have a feeling it’s
just an issue of perhaps an old bogon block or needing to warm things up. The
mail volume is typically very low; just emailed invoices coming from ecommerce
stores, so that may be contributing to the problem.
David
From: mailop <mailop-boun...@mailop.org> on behalf of Al Iverson
<aiver...@spamresource.com>
Date: Wednesday, October 12, 2016 at 12:51 PM
To: "mailop@mailop.org" <mailop@mailop.org>
Subject: Re: [mailop] att.net/blocks issues; how to get removed
David, Luke is a good person to assist with this. The one suggestion I would
have in addition to whatever guidance he may have, is that you perhaps do not
want to switch IPs when encountering those blocks. You might actually be
causing additional blocking against you.
You might want to centralize your outbound email volume to a small handful of
IP addresses (maybe less than 8), if you have enough volume to support at least
a few thousand messages per day per IP address. THEN, in a pinch, you could
temporarily disable an IP address if you run into that kind of blocking. But
I'd be careful about doing that only in exceptional circumstances -- certain
ISPs and blacklist groups take a dim view of changing an IP address to try to
get around blocking. It's definitely not a permanent fix to any sort of
blocking reactive to what's coming out of your mail servers. If bad mail or
spamtrap hits emanate from IP address #1, they'll eventually emanate from IP
address #2 or #3 as well.
Best regards,
Al Iverson
--
Al Iverson
www.aliverson.com<http://www.aliverson.com>
(312)725-0130
On Wed, Oct 12, 2016 at 11:12 AM, Luke Martinez via mailop
<mailop@mailop.org<mailto:mailop@mailop.org>> wrote:
I replied off list. I should be able to help get David in touch with someone
who can help.
On Wed, Oct 12, 2016 at 10:57 AM, Vick Khera
<vi...@khera.org<mailto:vi...@khera.org>> wrote:
On Tue, Oct 11, 2016 at 7:21 PM, David Hubbard
<dhubb...@dino.hostasaurus.com<mailto:dhubb...@dino.hostasaurus.com>> wrote:
> The specific details are netblocks we’re deploying new servers on,
> previously unused, all seem to be on the block list by default.
How fast are you ramping up traffic on new IPs?
Also, what's the netblock? Maybe others can see issues in that block,
especially if it is not virgin space.
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[https://drive.google.com/uc?id=0B4yks7mm243zU3NTbDh0djhLd0k]
Luke Martinez
SendGrid Deliverability Consultant
520.400.5693
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