What to do when Microsoft marks emails as spam from a shared IP address?

Email marketer from Neil Patel's Blog shares that maintaining a clean email list, engaging content, and consistent sending practices are essential. Monitor your sender reputation and promptly address any issues.

Email marketer from Email Geeks responds that Iterable uses SES, but offers other mail cannons too. She also successfully, but accidentally, got some AmazonSES IPs delisted via Outlook Sender Support.

Email marketer from Email on Acid shares that avoiding spam trigger words and phrases in email content, as well as ensuring proper formatting and image optimization, can help prevent emails from being flagged as spam.

Email marketer from Email Geeks responds that Iterable likely uses MTAs on EC2 instances, not SES, for sending. Their IPs should be registered with SNDS, suggesting Iterable support may be able to assist.

Email marketer from Spiceworks.com mentions that if your emails are being marked as spam by Microsoft, ensure your domain and sending IPs are not on any blocklists. Use tools to check blocklist status and request removal if necessary.

Email marketer from Litmus stresses the importance of maintaining a clean email list by regularly removing inactive or invalid email addresses to improve sender reputation and deliverability.

Email marketer from Webhostingtalk.com mentions that Microsoft's SmartScreen filter can be aggressive, and even legitimate emails may be incorrectly marked as spam. Encouraging recipients to mark emails as 'not junk' can help improve future deliverability.

Email marketer from Mailjet explains that properly warming up an IP address can affect your email deliverability. This includes gradually increasing your email volume over time, maintaining consistent volume, and adhering to best practices.

Email marketer from Postmarkapp.com says that while dedicated IPs offer control, shared IPs require careful sender reputation management to be successful.

Email marketer from Gmass shares that your content matters even on a shared IP, and to try and A/B test content to see if this affects deliverability.

Email marketer from Reddit shares that using authentication protocols like SPF, DKIM, and DMARC helps improve email deliverability and prevent spoofing, increasing the likelihood of emails reaching the inbox.

Email marketer from StackExchange suggests to check your IPs reputation on Microsoft's SNDS program to see if there are any issues with your sending IP. Also check your DKIM and PTR records for any issues.

Expert from Word to the Wise discusses that understanding and utilizing Microsoft's SNDS tool is important for monitoring your IP reputation and identifying potential issues that could lead to emails being marked as spam. Proactive monitoring and remediation are key.

Expert from Email Geeks shares that while submitting the form indicating a shared IP might not help much, ensuring DKIM signing with d=your domain can provide some reputational segmentation. High engagement overall, in addition to correct DKIM setup, has helped improve inbox placement, although it takes longer with Microsoft than Gmail.

Expert from Spam Resource explains that with shared IPs, maintaining a good sender reputation is crucial. You must actively monitor deliverability and address any negative feedback or complaints promptly, because the actions of other senders on the IP can impact you.

Expert from Word to the Wise shares that subscribing to feedback loops (FBLs) from ISPs like Microsoft can help you identify users who are marking your emails as spam. This information allows you to remove these users from your list and improve your sender reputation.

Expert from Email Geeks explains that many on shared IPs don't fully set up DKIM, resulting in a provider-supplied DKIM signature. Using your own DKIM signature can resolve spam folder placement.

Documentation from SendGrid Docs explains that with shared IPs, your sending reputation is influenced by other users on the same IP. Monitor your sending reputation, adhere to email best practices, and consider dedicated IPs for greater control.

Documentation from Microsoft Learn explains that several factors influence Microsoft's spam filtering, including sender reputation, content, and user feedback. Poor sender reputation or spammy content can lead to emails being marked as spam.

Documentation from DMARC.org explains that implementing DMARC allows domain owners to specify how email receivers should handle messages that fail authentication checks, helping to combat phishing and improve deliverability.

Documentation from Microsoft responds that you should make sure all servers sending emails are fully patched as this is usually the cause of compromised servers, sending spam emails and being placed on blocklists