Besides Spamhaus, what blocklists are important for email marketers to monitor?

Marketer from Email Geeks comments they pay attention to Spamhaus, but use others as an indicator of bad lists and practices. If a customer has dedicated IPs and one is listed, they investigate.

Email marketer from Email Marketing Forum suggests monitoring the URIBL blocklists, particularly for links in your emails. Being listed on URIBL indicates a potential issue with the URLs included in your messages and can impact deliverability.

Marketer from Email Geeks finds IVM quite good as it helps determine if sender have issues with contact acquisition.

Email marketer from Reddit shares that beyond Spamhaus, they monitor Barracuda Reputation Block List (BRBL) because many corporate email servers use it, and being listed can prevent emails from reaching business recipients.

Email marketer from EmailToolTester describes that some Internet Service Providers (ISPs) maintain proprietary internal blocklists, to keep spam emails out of their user's mailboxes. It is important to use seed list testing tools that identify whether you're on any of these lists.

Email marketer from Litmus shares that it's crucial to actively monitor feedback loops (FBLs) provided by major ISPs. While not direct blocklists, FBLs provide direct insight into recipient complaints about your emails, enabling prompt action to fix problems and maintain a good reputation.

Email marketer from Snov.io mentions that using a blocklist monitoring tool, like MXToolbox, can allow you to see if your domain or IP is listed on any of the popular blocklists. These tools also have the option to notify you when your information is added to a blocklist.

Email marketer from GlockApps explains that Spamhaus is essential but also suggests monitoring Invaluement, Abuseat, and URIBL as these can significantly impact email deliverability to certain ISPs and corporate networks.

Email marketer from ZeroBounce emphasizes the importance of monitoring blocklists, including Spamhaus, and utilizing tools that provide a comprehensive deliverability analysis to identify issues before they impact sending reputation.

Email marketer from Validity notes that while not a blocklist, ReturnPath Certification provides a level of trust that can bypass many blocklist checks and improve deliverability. This requires adhering to best practices and maintaining a good sending reputation.

Marketer from Email Geeks explains that Spamcop can have some noticeable effects on delivery, and like Brian, it's kind of a coal mine canary.

Email marketer from SenderScore shares that while not a direct blocklist, a low Sender Score (maintained by Validity) indicates potential problems and can lead to deliverability issues. Monitoring this score provides a holistic view of your sending reputation which influences placement at various ISPs.

Marketer from Email Geeks explains that a SORBS listing happens after an email from the given IP has hit a SORBS spam trap, signaling poor data collection/list hygiene practices.

Email marketer from Mailjet responds that while Spamhaus is critical, others like Proofpoint, Return Path, and Spamcop provide additional insight into potential deliverability issues and sender reputation.

Marketer from Email Geeks shares that Spamhaus is the only blocklist they really pay attention to and others are a warning about something else that is about to happen.

Expert from SpamResource explains that while Spamhaus is paramount, UCEPROTECT Level 1 can cause significant deliverability issues due to its wide-reaching blocking policies. Monitoring this list is crucial to avoid collateral damage.

Expert from Word to the Wise discusses the importance of understanding the specific blocklists that impact your target audience's ISPs. They recommends focusing on lists that are actively used by the mail providers your recipients use, as relevance is key.

Documentation from AbuseIPDB explains that it is a community-based blocklist that compiles reports of abusive IP addresses. While the impact can vary, being listed on AbuseIPDB indicates a pattern of reported abuse and can affect deliverability, especially with systems that heavily rely on community-sourced data.

Documentation from Microsoft Learn highlights that Exchange Online uses a variety of internal and external blocklists. While specific lists aren't named beyond Spamhaus, it emphasizes the importance of maintaining a clean sending reputation to avoid being listed on any reputable blocklist that Microsoft's filtering system uses.

Documentation from Invaluement highlights the policy of listing IP address ranges that exhibit direct spamming activity, and recommends analyzing email logs to pinpoint the sender(s) responsible for spamming in the relevant range of IPs.

Documentation from Barracuda explains that the Barracuda Reputation Block List (BRBL) is a real-time database of IP addresses known to send spam. Their system leverages multiple factors to identify spammers and automatically add them to the BRBL.

Documentation from Spamcop explains that Spamcop is a blocklist based on user reports of spam. High volumes of spam reports against your sending IP can lead to listing, impacting deliverability for users relying on Spamcop's data.