Vendors spamming NANOG attendees

Mike Hammett nanog at
Tue Jun 20 13:41:13 CST 2017

I'm still not sure people understand the situation. There's an attendee list, but that list doesn't have e-mail addresses. It didn't come from the mailing list. The person looked up who went to the conference and then found their e-mail address elsewhere. I also don't think the above is wrong in any way and people should just get on with their lives. 

Mike Hammett 
Intelligent Computing Solutions 

Midwest Internet Exchange 

The Brothers WISP 

----- Original Message -----

From: tim at 
To: "NANOG" <nanog at> 
Sent: Tuesday, June 20, 2017 8:37:09 AM 
Subject: Re: Vendors spamming NANOG attendees 

On Tuesday, 20 June, 2017 14:26, "Rod Beck" <rod.beck at> said: 

> And how do you tell if an address was scraped or not? There are databases and 
> zillions of other ways of gaining addresses. 
> I doubt you can distinguish the source with any real reliability. 

Depending on whether you're registered with personal or corporate email, and how much control you have over the platform in question, you can distinguish the source with fairly high reliability. Just generate a new 'bob+nanog70 at' style address for every event you register for, every website that requires a contact address, every mailing list, ... 

If you're concerned that people will twig, and use the naked '[email protected]' address, you could work with multiple names including a hash that look like internal nonsense, e.g. '[email protected]', or block the un-plussed '[email protected]' entirely and use e.g. '[email protected]' for people you trust to have your real, non-circumstance-specific email address. 

I know people who do this, it really depends how much you care about being able to trace and block people who are either scraping or re-selling your details. 


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