How to prevent your email server's IP address from getting blacklisted (2024)

FAQs

How to prevent your email server's IP address from getting blacklisted? ›

To help avoid getting blacklisted, you can utilize email filter software that prevents blacklisting, manages outbound spam, and protects your IP reputation.

To help avoid getting blacklisted, you can utilize email filter software that prevents blacklisting, manages outbound spam, and protects your IP reputation.

Once you've identified the blacklist, visit their website to find the delisting process. Each blacklist has unique requirements for removal, so follow their instructions carefully. Submit a delisting request form, including your IP address, email address, and details of steps taken to resolve the issue.

One of the most straightforward methods to bypass IP bans is by changing your IP address with a virtual private network (VPN) or using proxy services. These tools mask your real IP address, making it appear as though you're accessing the internet from a different location.

If you find that your IP or domain is blacklisted, contact each DNSBL service and request that they delete your listing. Some of them will automatically remove your listing after some buffer period, others will not. If you made a mistake, were blacklisted, and then delisted, don't make the same mistake again.

IP checking software or IT security staff blacklist IP addresses when they consider factors associated with them, such as their users' behavior online, to be suspicious. For example, reports of internet users being abusive online can lead to certain networks rejecting their internet protocol.

Who controls email blacklists? ›

In short, you send your email (Sender) and it's received by an ISP (Receiver) who then decides if your email looks legitimate. If the ISP is using a blacklist, the email IP address is checked against the list. It then goes through the spam filters of the ISP to check for anything they don't allow.

An email blacklist is a list of IP addresses or domains a blacklist operator has caught sending emails to accounts that didn't willingly subscribe to their email program. Put simply, a blacklist is a list of IP addresses or domains that are known spammers.

Instead of sending your emails using your own IP address, the VPN will assign you a different IP address thus meaning that the sender of the email cannot truly be identified. VPN providers also have brilliant security features and encryption to ensure that your email data remains untouched and private.

A virtual private network (VPN) is perhaps the easiest and most effective way to hide your IP address. A VPN hides your IP address from the internet by redirecting your internet traffic and masking it with an alternative one.

Access through email: Some email platforms include your IP address in the data sent with your emails. A recipient can then copy your address and use it to collect your data. Or they can use your router to shield their own IP address.

Too many outbound emails: If you typically send just one or two emails per week and suddenly send more than a hundred emails in a single day, your service provider is very likely to suspect that you're up to no good, banning your mail address from sending further emails until you complete an email blacklist removal.

The most straightforward method is to settle the outstanding debt. TransUnion, one of South Africa's prominent credit bureaus, suggests that paying off the debt usually results in your name being removed from the blacklist within 7 to 20 days.

Spamhaus also maintains a DBL (Domain Block List), a list of domains (website URLs) that have been found in the body of spam emails. So, having your IP address blocked by Spamhaus means that it has been associated with some form of email spamming or scamming.