Craigslist technical contact - IP Ranges blocked

Mon Feb 18 19:28:14 UTC 2019

Erik, please contact me offlist with details (IP block, etc.).  We'll shake the tree for you.

Anne

Anne P. Mitchell, 
Attorney at Law
CEO/President, 
SuretyMail Email Reputation Certification and Inbox Delivery Assistance
GDPR, CCPA (CA) & CCDPA (CO) Compliance Consulting
http://www.SuretyMail.com/
http://www.SuretyMail.eu/

Attorney at Law / Legislative Consultant
Author: Section 6 of the CAN-SPAM Act of 2003 (the Federal anti-spam law)
Author: The Email Deliverability Handbook
Board Member, Board of Directors, Denver Internet Exchange
Board Member, Board of Directors, Asilomar Microcomputer Workshop
Legal Counsel: The CyberGreen Institute
Legal Counsel: The Earth Law Center
Ret. Professor of Law, Lincoln Law School of San Jose

> On Feb 17, 2019, at 11:01 PM, Erik Zhu <erik.zhu at uniserveteam.com> wrote:
> 
> Hello All,
> 
> Does anyone know the best way to get connect to Craiglist technical 
> support regarding the blocked IP ranges. We are an ISP in Canada, and 
> since early this year we noticed that most of our IP blocks are blocked 
> on some of the Craigslist's servers. One easy example is finding any 
> items on Craigslist, hit reply, and gives an error "Sorry, something 
> went wrong", the web analyzer indicates status code 403 forbidden.
> 
> I understand that if individual subscriber IP could be automatically 
> blocked due to certain reasons by Craigslist, but I don't know why our 
> entire IP blocks could be blocked, even some IP ranges are never 
> assigned to any active services.
> 
> Did anyone have the encountered the same issue before, how can we get it 
> resolved?
> 
> 
> Thanks,
> 
> Erik
> 