How to identify and manage domains protected by Cloudmark?
Summary
What email marketers say10Marketer opinions
Email marketer from Reddit discusses strategies for dealing with Cloudmark blocks. EmailGuru42 suggests monitoring blocklist status, diversifying sending IPs, and engaging in remediation processes with Cloudmark to resolve issues. It's also recommended to review sending practices to ensure compliance with best practices.
Email marketer from HubSpot shares tips on email list segmentation. They suggest segmenting lists based on demographics, behavior, and engagement to send more targeted and relevant emails. This practice can reduce spam complaints and improve overall deliverability.
Email marketer from Reddit asks about improving email deliverability. EmailNewbie highlights the importance of monitoring feedback loops, proactively removing unengaged subscribers, and ensuring email content aligns with subscriber expectations to avoid being marked as spam.
Email marketer from Mailjet shares to maintain a good sender reputation, focusing on sending relevant content, personalizing emails, cleaning email lists regularly, and monitoring bounce rates and spam complaints. They emphasize the importance of permission-based marketing and providing easy unsubscribe options.
Email marketer from Campaign Monitor shares that email authentication protocols like SPF, DKIM, and DMARC help verify the sender's identity and prevent email spoofing. Implementing these protocols can improve email deliverability and reduce the likelihood of being flagged as spam.
Email marketer from Litmus shares strategies to improve email deliverability rates. These strategies include authenticating email with SPF, DKIM, and DMARC; segmenting email lists; and monitoring sender reputation using tools like Google Postmaster Tools. They highlight the importance of consistent sending practices.
Email marketer from SendPulse provides insights on monitoring sender reputation. They recommend using tools like Google Postmaster Tools to track domain reputation, spam rates, and feedback loop complaints. They also advise on proactively addressing issues like high bounce rates and spam trap hits.
Email marketer from Mailing List Forum advises on IP warming strategies. They suggest gradually increasing email volume over time to establish a positive reputation with ISPs. It also advises to monitor deliverability metrics and adjust sending patterns based on performance data.
Email marketer from Mailing List Forum discusses importance of consistent sending volume, stating that sending emails with a regular and predictable cadence helps establish a positive sender reputation. Avoiding sudden spikes or drops in email volume can prevent triggering spam filters.
Email marketer from Email Deliverability Forum shares tips on list hygiene practices, including removing invalid email addresses, managing unsubscribes effectively, and segmenting lists based on engagement. Highlighting the importance of maintaining a clean and engaged email list to improve deliverability.
What the experts say7Expert opinions
Expert from Spamresource discusses email authentication methods such as SPF, DKIM, and DMARC. They highlight the importance of implementing these protocols correctly to prove sender legitimacy and avoid being flagged as spam. Proper authentication helps bypass filters like Cloudmark by establishing trust.
Expert from Spamresource explains that sender reputation is crucial for deliverability. They emphasize monitoring IP and domain reputation through tools like SenderScore and Google Postmaster Tools. Addressing negative reputation scores promptly is vital to avoid being blocked by filters like Cloudmark.
Expert from Email Geeks notes that Apple uses Cloudmark/Proofpoint and suggests it's uncertain whether it should be categorized as Cloudmark or Proofpoint.
Expert from Email Geeks explains that Cloudmark can be difficult to block even with domain MX analysis, as it's sometimes used behind the scenes. He suggests looking for domains hosted under cloudfilter.net when checking MX records. Al Iverson also doubts that lack of IP warming is the root cause of the problem.
Expert from Word to the Wise discusses the use of complaint feedback loops. By participating in feedback loops, senders can receive reports of spam complaints from ISPs. Monitoring and addressing these complaints promptly helps maintain a good sender reputation and avoid being flagged by filters like Cloudmark.
Expert from Word to the Wise discusses the importance of list hygiene. They explain that regularly cleaning your email list by removing inactive or invalid addresses helps improve deliverability. A clean list reduces bounce rates and spam complaints, which can negatively impact your sender reputation and lead to blocks by filters like Cloudmark.
Expert from Email Geeks shares that Cloudmark layers with some non-Cloudmark MXs and has onsite appliances. She also raises the question of whether they are part of Apple filtering.
What the documentation says4Technical articles
Documentation from Proofpoint Support explains that Cloudmark Sender Intelligence (CSI) is a component of Proofpoint Protection Server that identifies and blocks malicious email senders based on Cloudmark's threat intelligence network. It shares that CSI uses a reputation-based system to assess the trustworthiness of senders.
Documentation from Google Postmaster Tools explains that it allows senders to monitor their domain reputation, spam rates, and feedback loop complaints from Gmail users. This information can be used to identify and address deliverability issues related to Cloudmark or other filtering systems.
Documentation from Spamhaus explains how to use the Spamhaus blocklist to identify senders with poor reputations. They provide guidance on interpreting listing data and using the information to filter out unwanted emails. They are often used as an indirect source of information on potential cloudmark issues.
Documentation from Cisco explains how SenderBase works by gathering data from a vast network of sensors to provide reputation scores for IP addresses and domains. It uses factors like email volume, spam complaints, and malware detection to determine a sender's reputation, which can then be used to filter email traffic.