What are the best free and paid spam checker tools for email marketers?

Email marketer from Email Geeks mentions that Mail-tester only checks for the presence of records like SPF, even if they are misconfigured, giving a false sense of security. She recommends human eyes or <@UDEFP1J3B> tool.

Email marketer from GlockApps recommends using their paid tool, which offers inbox placement testing, reputation monitoring, and DMARC analysis to identify and resolve deliverability issues.

Email marketer from Email Geeks suggests using multiple free accounts from different providers (Hotmail, Yahoo, Gmail, etc.) as seed accounts to check inbox placement.

Email marketer from Email Hippo offers email verification services. Clean email lists avoid the spam trap and honeypot and reduces the risk of being marked as spam.

Email marketer from Everest Validity highlights how their Everest platform provides data-driven insights into email deliverability, helping marketers monitor inbox placement, improve sender reputation, and avoid spam filters through detailed analytics and reporting.

Email marketer from Mailjet suggests using their free plan, which includes a spam checker to analyze email content and identify potential spam triggers before sending campaigns.

Email marketer from Email Geeks created Inboxbooster.com offering free inbox placement tests to identify if the email goes to spam or promo, identifying the cause (reputation, DNS, content).

Email marketer from Litmus recommends their own paid service for comprehensive email testing, including spam filter analysis, pre-send checks, and rendering previews across various email clients.

Email marketer from Mail-tester explains that their tool provides a free service where you send an email to a provided address, and they analyze its content, authentication, and server configuration to assess spam score.

Email marketer from Email Geeks suggests that 10 test accounts will be more accurate to monitor inbox placement as you will get spam folder info and be able to analyze inbound headers.

Email marketer from Senderok advises utilizing their free email spam checker to perform a detailed email analysis, check for blacklists, and enhance deliverability, especially for bulk emails.

Email marketer from Warmy suggests using their free email deliverability test to quickly assess your email's spam score and identify potential deliverability issues.

Email marketer from Zerobounce explains that email validation is crucial as it removes invalid or risky email addresses, thus improving sender reputation and preventing emails from being marked as spam, offering a tool for email list cleaning and verification.

Email marketer from Email Geeks shares that Mail-tester checks the email content and provides a score, requiring you to send an email to their provided address.

Expert from Spam Resource suggests that a range of tools and services are important for understanding deliverability and inbox placement. This includes authentication checks, list hygiene services, feedback loops, reputation monitoring and seed list testing. Using these tools correctly can help reduce issues that lead to emails landing in the spam folder.

Expert from Email Geeks expresses doubts about the reliability of spam checker tools, as their effectiveness diminishes over time due to AI learning user-specific behaviors.

Expert from Word to the Wise warns to use 3rd party authentication services, especially with BIMI. These third parties should not have any business relationships with ESPs.

Expert from Email Geeks explains that there's no reliable way to check inbox placement, as probe account data differs from real user experiences. Suggests analysing image load data.

Expert from Word to the Wise suggests using seed list testing (also known as probe testing) for inbox placement monitoring as the data collected from these tests directly affects your decisions, choose the tool based on features like global coverage, frequency of testing, and integration with other platforms.

Documentation from Google explains how to use Google Postmaster Tools to monitor sender reputation, spam rate, and feedback loop data, helping email marketers identify and address deliverability issues specific to Gmail users.

Documentation from MXToolbox explains how their free tools can be used to check DNS records (SPF, DKIM, DMARC), diagnose email server issues, and ensure proper email authentication, reducing the likelihood of spam filtering.

Documentation from DKIM Validator explains how to use their tool to check if your DKIM signature is valid, ensuring that your emails are properly authenticated and less likely to be marked as spam.

Documentation from Spamhaus explains how to use their free IP address lookup tool to check if your sending IP is blacklisted, impacting deliverability and potentially causing emails to be marked as spam.