How reliable is Junkemailfilter.com for identifying email deliverability issues?

Marketer from Email Geeks suggests to consider Junkemailfilter.com a rogue/unmaintained RBL that nobody sensible uses, so don't stress about it.

Email marketer from EmailDeliverability.com shares that querying multiple DNSBLs can help you detect if your mail server IP is listed on any of them. They suggest not relying on only one list.

Email marketer from Mailjet shares it's possible to be removed from a blocklist. First, identify the blocklist you're on, then follow their specific delisting process, which often involves filling out a form or contacting their support.

Email marketer from Mailhardener explains that blocklists, also called DNSBLs or RBLs, are a crucial part of the anti-spam infrastructure. They maintain lists of IP addresses or domains known for sending spam or exhibiting malicious behavior.

Email marketer from Reddit responds that Junkemailfilter.com is basically useless as their spamtraps are badly configured or not maintained. It is also really easy to get delisted.

Marketer from Email Geeks responds that Junkemailfilter.com original operator passed away a few years ago and suggests to ignore it unless seeing actual significant blocks claiming it as the reason.

Email marketer from Reddit responds that it is easy to get delisted from Junkemailfilter.com, so they don't have much weight.

Marketer from Email Geeks says that if domains are getting listed on Junkemailfilter.com and nowhere else, then we shouldn't worry about this list. They also note the de-listing process is easy and they rarely see more than a bounce or two due to these listings.

Email marketer from Debounce explains that monitoring blocklists helps to proactively identify and address potential email deliverability issues, maintaining a healthy sender reputation.

Email marketer from Stack Overflow shares that they've never heard of Junkemailfilter.com and suggests using well-known lists like Spamhaus, Spamcop, or Barracuda instead.

Email marketer from WebHostingTalk responds that they believe Junkemailfilter.com is not a reliable source for reputation information. They further state that a good test is to lookup your own IP address, and you'll likely find it listed even if it's clean, diminishing the list's credibility.

Expert from Spamresource, referring to MXToolbox's information, emphasizes that the relevance of a specific blocklist depends on the recipient's email provider; a listing only matters if the recipient uses that specific blocklist. They advise focusing on the blocklists used by the majority of your recipients.

Expert from Email Geeks shares that Junkemailfilter.com is an indicator of some issues (maybe an early warning), but it likely won't cause a ton of delivery issues at places you care about.

Expert from Word to the Wise explains that IP addresses should be released immediately after use if they exhibit bad behavior. She highlights the importance of automatically expiring data and purging old entries from blocklists so fresh, accurate data is all that's used in filtering.

Documentation from Talos shares they provide reputation scoring and blocklisting services, offering insights into IP and domain reputation based on Cisco's threat intelligence data.

Documentation from MultiRBL details they aggregate results from multiple RBLs (Realtime Blackhole Lists) into a single query, it simplifies the process of checking an IP address against multiple spam databases.

Documentation from Spamhaus explains that they are a well-respected DNSBL, and they are extremely thorough and careful about their listings, which makes them very reliable.

Documentation from BarracudaCentral shares that they provide real-time threat intelligence for email security, which makes their block lists a strong indicator of sender reputation.

Documentation from Proofpoint explains that it is a commercial anti-spam service that is focused on enterprise users, so their listing means your emails are likely to be blocked by large organizations.