Questions tagged [blacklist]
A blacklist is a basic access control mechanism that rejects elements included in the list.
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how to cache dns results to prevent beeing blocked spamassassin sa-update servers
I'm serving my own mail server. Now I have trouble with some backlist providers (f.e. uribl.com, zen.spamhaus.org, validity.com).
I'm getting "ADMINISTRATOR NOTICE: The query to Validity was ...
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Mail from my company's mail server to Microsoft-hosted domains blocked for no obvious reason
On 20 June mail from my company's mail server began bouncing when sent to domains hosted by Microsoft/Outlook/Hotmail/Office or whatever they want to be called today, with the following bounce message:...
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My email server IP is blacklisted, how can I resolve it?
The IP of our email server 154.116.254.147 was added to the UCEPROTECTL2 blacklist. The error message we received is as follows:
"I am deeply sorry, but I was not able to deliver your mail to the ...
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SSL certificates and firewall blacklists
We have a domain, erbaharlab.com, which we have bought for our research group.
www.erbaharlab.com contains our research group website, nanospacejm2.erbaharlab.com contains a conference website and ...
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fail2ban include list of ip addresses to ban
Suppose I have a .txt file containing a list of ip addresses I'd like to ban for some amount of time (so, a blacklist file of some sort). I know how do do this in Apache (for example) - simply by ...
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Nginx - Black list cookies
Is there a way to black list cookies purely through Nginx?
I tried this: https://stackoverflow.com/questions/67548886/remove-specific-cookie-in-nginx-reverse-proxy
But it doesn't seem to cover cases ...
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Sendgrid IP Address Consistently Blocked on RATS-Spam
Overview
For our application, we use SendGrid to send emails to many of our users. Recently over the past few weeks, our SendGrid IP addresses have been added to the RATS-Spam blacklist multiple times....
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IIS IP Address and Domain Restrictions or Dynamic IP Address Restrictions?
I would like to implement dynamic ip address based restrictions in my IIS 10 on Windows Server 2019, and find a way (even it involves some programming/scripting/automation) to integrate it with ...
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Getting email spam blacklist lists
Hi for protecting my organisation i want to get a full list of email spam blacklists from various lists. mxtoolbox for instance is able to check an ip against many many blacklists, however is it free ...
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How to minimize chances of one's domain being falsely blacklisted (uribl)
My side job is to admin my wife's company domain. It's only used as a domain name for Google mail and tools (slides, docs, etc...).
Although she used her domain for email for many years without any ...
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Location of authpriv.notice logs on Bitnami
I have a Bitnami server, Ubuntu Xenial, on AWS LightSail. I followed this tutorial to restrict SSH connections by country. This script ipfilter.sh filters IP addresses:
#!/bin/bash
# License: WTFPL
# ...
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How to delist DNSBL?
Can not send email to some email addresses that it looks like they are using Office 365. The NDR message is coming from DnsConnectorDelivery which is:
[{LRT=11/6/2020 12:11:09 PM};{LED=451 4.4.0 ...
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How to check if my server's IP has somehow been blocked by some ISP?
I have an app, published on Play Store and App Store, that works via API with our webservices.
Nothing fancy, really really basic stuff.
Now, some customers can't use the app because it can't reach ...
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fail2ban txt list creation of banned IP
using fail2ban for years, working nice, would like to automate and harden the security for my router.
So I would like that fail2ban created a local file, example, list.txt file with a list of banned ...
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Symantec adds email server IP address to blacklist without any proof - how to fight them?
Recently noticed that email server IP address 88.119.185.129 is added to Symantec email blacklist. This IP is clean, not listed at any blacklists. The email server is not open relay, all emails are ...
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