Do government agencies block HTML emails?
Summary
What email marketers say11Marketer opinions
Email marketer from Campaign Monitor advises that adhering to email deliverability best practices is essential when sending to government agencies. Focus on authenticating your emails, maintaining a clean sending reputation, and avoiding spam triggers. Government entities often have stricter spam filters that can flag HTML emails containing certain content or formatting.
Email marketer from Email Geeks explains that when emailing government entities, approval is needed to send HTML emails. If there is a contractual obligation and IT provides approval you can deliver an HTML email, with whatever links. It could take months to get approval and sometimes they will just say sorry, you can't email us.
Email marketer from Mailjet Help Center explains that while there's no blanket policy, government agencies often employ stricter security measures. This may include blocking HTML emails, stripping out images, or disabling links to prevent potential security threats. This can vary widely by agency, department, and even specific user settings.
Email marketer from StackExchange responds that delivering to government entities necessitates adherence to stringent security standards. Agencies might block HTML to mitigate risks, especially if your email practices aren't fully compliant with security benchmarks, ensure robust authentication protocols (SPF, DKIM, DMARC) are in place to minimize deliverability hurdles.
Email marketer from Email Marketing Forum responds that delivering marketing emails to government sectors requires a detailed strategy that respects their security posture. Agencies often scrutinize HTML content to block potential threats, impacting marketing campaigns. It is essential to optimize email authentication and engagement practices to improve deliverability.
Email marketer from SocketLabs explains that government entities implement stringent security policies to protect their networks. A common strategy involves blocking HTML emails, particularly those from external sources. HTML emails are seen as a potential vector for phishing attacks and malware distribution, making them subject to strict filtering.
Email marketer from Reddit explains that many government agencies use advanced email filtering systems. These systems are often configured to block HTML emails as a precaution against phishing attacks and malware. The user also notes that even if HTML emails are not blocked outright, images and links are frequently disabled.
Email marketer from Gmass shares that delivering to government domains can be tough for several reasons. Strict security measures, spam filters, and authentication requirements are some of the reasons why emails may not reach their intended recipients. This often includes blocking HTML emails, especially if they are perceived as a security threat.
Email marketer from EmailToolTester Blog shares that deliverability to government domains can be challenging. Government agencies often have stringent email security protocols, which may result in HTML emails being blocked or significantly altered. Factors contributing to this include strict spam filters, image blocking, and link validation processes.
Marketer from Email Geeks recounts experience with a media brand's newsletters targeting government/military, frequently seeing stripping or blocking of HTML emails. Mentions variations even within the same office/department, with .mil typically stripping or blocking.
Marketer from Email Geeks shares that they have encountered instances where US government agencies block HTML emails, varying by agency and even office. Mentions .mil as an example.
What the experts say3Expert opinions
Expert from Spamresource.com responds that because government agencies are vigilant about security threats, agencies will often strip HTML from emails. This is often to prevent malicious scripts and content from reaching their employees. Ensuring email authentication (SPF, DKIM, DMARC) is configured correctly helps ensure deliverability.
Expert from Wordtothewise.com explains that government entities often have sophisticated email filtering systems that may flag HTML emails as potential threats. It is recommended to use plain text emails for important communications or offer a plain text version alongside the HTML version to ensure messages get through. Authentication and a good sender reputation will help as well.
Expert from Email Geeks mentions that '.mil' is a unique case and other secure networks may have similar measures regarding blocking HTML emails.
What the documentation says4Technical articles
Documentation from DKIM explains DKIM's role in email authentication and security. Government agencies increasingly rely on DKIM to verify the authenticity of incoming emails. While DKIM doesn't directly address HTML blocking, it improves overall email security and reduces the likelihood of legitimate emails being flagged as spam or malicious.
Documentation from US-CERT shares strategies for mitigating email-based threats, including those associated with HTML emails. Government agencies are advised to implement security measures such as blocking HTML content, disabling links, and employing advanced threat detection systems. Provides insight into common email attack vectors and preventative measures.
Documentation from NIST outlines security guidelines for email, highlighting the importance of mitigating risks associated with HTML content. Agencies may choose to block HTML emails or implement strict filtering policies as part of their overall cybersecurity strategy. Refer to SP 800-45 Version 2 for guidance.
Documentation from SANS Institute recommends disabling HTML emails as a security best practice. Government agencies and other organizations should consider blocking HTML content to reduce the risk of malware and phishing attacks. Includes guidelines for configuring email clients and servers to prevent HTML rendering.