How to handle false positive reports from Netcraft and typo-squatting spam traps?
Summary
What email marketers say10Marketer opinions
Email marketer from Email Vendor Blog recommends regularly sunsetting inactive subscribers to reduce the chances of sending to recycled spam traps or typo domains which lowers the risk of false positives.
Email marketer from Reddit suggests proactively monitoring for common typos of your domain and setting up redirects or sinkholes. This allows you to catch errant traffic and potentially identify abuse.
Email marketer from Email Deliverability Forum recommends implementing a process for recipients to easily whitelist their domain or email address if they're falsely flagged. This could involve a simple form or direct contact.
Marketer from Email Geeks shares experience of Netcraft using typo trap data to search for phishing/abuse with false positives, tagging non-malicious messages as phish. Recommends auditing address collection mechanisms and being aggressive at sunsetting inactives to reduce exposure to typo domains/traps.
Email marketer from Quora recommends contacting the reporting organization (e.g., Netcraft) directly to dispute the false positive and provide evidence of legitimate email practices. Build rapport with these organisations.
Email marketer from Stack Overflow recommends implementing strict input validation on email signup forms to minimize typo-related submissions. This includes real-time validation and suggesting corrections.
Email marketer from Review Blog suggests carefully reviewing email content to identify and remove any potentially spammy trigger words or phrases that could increase the likelihood of being flagged. Also implement a double opt-in process.
Email marketer from User forum shares insight on monitoring domain and IP reputation using tools to detect and address listing that can assist in dealing with the fall out from false positive
Email marketer from LinkedIn shares that using confirmed opt-in (COI) will help reduce the likelyhood of false positives. A user confirming to a subscription reduces the possibility that a spam trap or typo domain will subscribe. COI will also help with evidence that you have consent.
Marketer from Email Geeks says that they deal with <http://gmai.com|gmai.com> a lot on a daily basis and it's users simply mistyping their email address when sending emails.
What the experts say5Expert opinions
Expert from Email Geeks explains that the <http://gmai.com|gmai.com> domain looks suspicious, identifying it as a MX used for parked domains and often used as spamtraps, and advises putting it on a "bad domain" list. Mentions that typoed email address may lead to recipient signing up correctly.
Expert from Spamresource shares insights into being responsive and proactive when handling complaints, detailing to have resources to support users that have issues around deliverability such as false postives. Have methods to quickly help a user that believes they have been incorrectly classified.
Expert from Email Geeks suggests the user got bit by someone playing silly buggers with a spamtrap domain or the list isn’t as double opt-in as thought. Recommends checking the IP address of the confirmation click, as it likely came from a security device or didn’t actually come from a typical consumer broadband IP address.
Expert from Word to the Wise explains that one of the key strategies is to set up typo-squatting domains so that emails sent to common misspellings of your domain are caught by you, and not a spam trap. Also explains about content filters and how these are used to catch spam.
Expert from Email Geeks states that there will always be malicious actors on the internet who will try to hurt and destroy products and individuals and recommends programming defensively.
What the documentation says5Technical articles
Documentation from Google Safe Browsing outlines how they identify and flag malicious websites, including phishing sites. Understanding their criteria can help prevent your legitimate content from being misclassified.
Documentation from Microsoft SmartScreen explains how they protect users from phishing attacks by analysing websites and content for suspicious characteristics. It will let you understand how their filters work to prevent false positives.
Documentation from Netcraft details how they proactively search for phishing attacks and other online fraud, using a combination of automated systems and manual analysis. They validate and report confirmed instances to relevant authorities.
Documentation from AWS explains that promptly addressing bounces and complaints, even if suspected false positives, helps maintain a positive sender reputation. They advise reviewing logs and taking appropriate action.
Documentation from Spamhaus explain they use honeypots, spam traps, and user-submitted reports to identify and track spam sources. Understanding their data collection helps to troubleshoot potential false positives.