Spamming; Craigslist doesn’t accept the spammers who always spam on various platform and it is completely not acceptable. If you post many advertisements in a short span of time, the system of Craigslist will determine your account as a spammer which leads your IP to be permanently blocked.

Craigslist Account reviews: My IP address is blocked. IP address. Illegal block of my IP address. I can't log in. No help. I don't know why account is on hold. I am being blocked from going on Craigslist. Why would my ip be automatically blocked on Craigslist Jan 24, 2014 Does Craigslist ban accounts or IP addresses? | Yahoo Answers Jul 20, 2011 Craigslist Blocked Me: Will Changing IP Address on MAC Fix

Jan 25, 2019

Using craigslist 2-way email relay helps protect both your email address and the email address of anyone who replies to your post. It is generally recommended and is the default option. craigslist mail relay is always an option, but some of the options listed above may not be available in other categories. why aren't I recieving any emails from craigslist, I'm Nov 10, 2013

Yeah, my ip got blocked for some reason, as well. I was an avid lister but certainly not a spammer. Anyways, I used an IP masker of sorts, Spotflux. There are plenty of other similar programs. They did not block my account, only my IP address. Alternatively, I hear you can request a new IP address from your internet service provider.

IP Addresses Blocked From Craigslist | Small Business IP Addresses Blocked From Craigslist. Craigslist is designed to help make business happen. But if you use Craigslist inappropriately, you risk the chance of Craigslist staff blocking your IP Craigslist IP Blocked? How to Get Unblocked From Like any ad posting service provider, Craigslist has to take some precautions to maintain the effectiveness of its service. There are a few things that posters do – intentionally or unintentionally – that get them under Craigslist IP blocked hammer. The reasons can range from spamming the interface by repeatedly posting the same ads or by breaking one of their rules.