Sep <var data-var='date'>23</var>, <var data-var='time'>17:30</var> EDT Completed - The scheduled maintenance has been completed. Sep <var data-var='date'>23</var>, <var data-var='time'>16:00</var> EDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Sep <var data-var='date'>23</var>, <var data-var='time'>11:11</var> EDT Scheduled - We will be conducting scheduled maintenance for Litmus Personalize Pro on Wednesday, September 23, 2026 from 4:00-5:30 PM EDT (8:00-9:30 PM UTC). During this maintenance window, the Personalize Pro web app will be unavailable, as well as the serving of dynamic images.

Database Maintenance - Litmus Personalize Pro

Apr <var data-var='date'>17</var>, <var data-var='time'>12:56</var> EDT Resolved - This issue has been resolved. Apr <var data-var='date'>17</var>, <var data-var='time'>12:12</var> EDT Update - Our team is continuing to work on a fix. We have identified the root cause and are actively implementing a solution. Apr <var data-var='date'>17</var>, <var data-var='time'>11:37</var> EDT Identified - We've identified an issue where Builder documents taking advantage of Partials are not loading. Our team is working to implement a solution as soon as possible.

Builder documents not loading when Partials are present

Feb <var data-var='date'>24</var>, <var data-var='time'>14:00</var> EST Completed - The scheduled maintenance has been completed. Feb <var data-var='date'>24</var>, <var data-var='time'>12:00</var> EST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Feb <var data-var='date'>19</var>, <var data-var='time'>09:18</var> EST Scheduled - We will be conducting scheduled database maintenance on Tuesday, February 24th, 2026, between 12-2pm EST for Litmus Personalize Pro. Only accounts on our EU instance will be affected, and affected accounts will be contacted directly by their Account Manager. During this maintenance window, the Personalize Pro web app will be unavailable, as well as the serving of dynamic images.

Database Maintenance - Litmus Personalize Pro (EU)

Nov <var data-var='date'> 3</var>, <var data-var='time'>15:46</var> EST Resolved - This issue has been resolved. Nov <var data-var='date'> 3</var>, <var data-var='time'>11:02</var> EST Update - We are continuing to monitor for any further issues. Nov <var data-var='date'> 3</var>, <var data-var='time'>09:38</var> EST Monitoring - The application is now available again and our engineering team is monitoring the situation. Nov <var data-var='date'> 3</var>, <var data-var='time'>09:15</var> EST Investigating - We are currently investigating the issue and will provide an update as soon as possible.

Litmus application unavailable

Nov <var data-var='date'> 3</var>, <var data-var='time'>05:47</var> EST Resolved - This incident has been resolved. Nov <var data-var='date'> 3</var>, <var data-var='time'>04:24</var> EST Monitoring - The application is now available, our engineering team is monitoring. Nov <var data-var='date'> 3</var>, <var data-var='time'>02:47</var> EST Investigating - We are currently investigating this issue.

Application unavailable

Oct <var data-var='date'>21</var>, <var data-var='time'>10:07</var> EDT Resolved - These issues have been resolved. Oct <var data-var='date'>20</var>, <var data-var='time'>18:43</var> EDT Monitoring - The upstream service provider issues have resolved. We're monitoring for any residual issues. Oct <var data-var='date'>20</var>, <var data-var='time'>09:21</var> EDT Identified - The upstream service provider issues are ongoing and affecting multiple other services, such as Litmus Previews and Litmus Analytics. We are attempting to fix the issue and are working with the service provider to restore functionality. Oct <var data-var='date'>20</var>, <var data-var='time'>05:58</var> EDT Update - We are continuing to monitor for any further issues. Oct <var data-var='date'>20</var>, <var data-var='time'>05:58</var> EDT Monitoring - An upstream service provider has been experiencing problems since 08:11 UTC affecting some features. Their services are now recovering. We're monitoring for residual problems.

Multiple failures due to upstream service provider

Oct <var data-var='date'>14</var>, <var data-var='time'>22:00</var> EDT Completed - The scheduled maintenance has been completed. Oct <var data-var='date'>14</var>, <var data-var='time'>20:00</var> EDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Oct <var data-var='date'> 6</var>, <var data-var='time'>07:19</var> EDT Scheduled - We will be conducting scheduled database maintenance on October 14th, 2025 between 8-10pm EDT for Litmus Personalize Pro. Only certain accounts will be affected, and communicated with directly by their Account Managers. During this maintenance window, the Personalize Pro web app will be unavailable, as well as the serving of dynamic images.

Aug <var data-var='date'> 6</var>, <var data-var='time'>11:26</var> EDT Resolved - This incident has been resolved. Jul <var data-var='date'>25</var>, <var data-var='time'>16:28</var> EDT Investigating - We are currently investigating this issue.

Yahoo! Mail Chrome email previews temporarily unavailable

May <var data-var='date'> 6</var>, <var data-var='time'>18:00</var> EDT Resolved - This issue has been resolved. Any email that was not received will need to be resent from Builder. May <var data-var='date'> 6</var>, <var data-var='time'>17:45</var> EDT Update - This issue has been resolved. Any email that was not received will need to be resent from Builder. May <var data-var='date'> 5</var>, <var data-var='time'>16:36</var> EDT Investigating - We are currently investigating an issue that's preventing emails shared/sent via Litmus Builder from being received.

Unable to send/share emails via Litmus Builder

Apr <var data-var='date'>30</var>, <var data-var='time'>17:01</var> EDT Resolved - Chrome is no longer a supported browser for Scope. Please use a different browser such as Safari or Firefox. Mar <var data-var='date'> 6</var>, <var data-var='time'>17:04</var> EST Investigating - We are currently investigating this issue. Please use Scope in a different browser like Safari or Firefox in the meantime.

Scope bookmarklet issues in Chrome

Apr <var data-var='date'>24</var>, <var data-var='time'>12:22</var> EDT Resolved - This issue has been resolved. If you have not received your Litmus test already, please resend your email using your Litmus test address. Apr <var data-var='date'>24</var>, <var data-var='time'>11:36</var> EDT Investigating - We are currently investigating an issue where emails sent to your Litmus test address are delayed/not arriving.

Incoming email tests are delayed

Apr <var data-var='date'>13</var>, <var data-var='time'>18:08</var> EDT Resolved - After careful monitoring, we are now closing this incident. Original issue was resolved at 12:10pm EDT with no impact after that. Apr <var data-var='date'>13</var>, <var data-var='time'>13:05</var> EDT Monitoring - Email Analytics processing has resumed as of 12:10pm EDT. We are monitoring, but the issue is resolved. Apr <var data-var='date'>13</var>, <var data-var='time'>10:14</var> EDT Investigating - Email Analytics is currently down and we are not receiving data as of 9:00am EDT.

Email Analytics Outage

Feb <var data-var='date'> 5</var>, <var data-var='time'>13:04</var> EST Resolved - This issue has been resolved. Sep <var data-var='date'>26</var>, <var data-var='time'>20:16</var> EDT Investigating - We are currently investigating this issue.

Gmail category tab tool is currently unavailable

Dec <var data-var='date'> 9</var>, <var data-var='time'>14:46</var> EST Resolved - This issue has been resolved. Dec <var data-var='date'> 9</var>, <var data-var='time'>12:11</var> EST Identified - We've identified the issue and are working to restore Litmus as soon as possible. Dec <var data-var='date'> 9</var>, <var data-var='time'>11:34</var> EST Investigating - We are investigating an issue causing intermittent slowdown in the Litmus application.

Litmus Application slowdown

Nov <var data-var='date'>26</var>, <var data-var='time'>12:09</var> EST Resolved - This incident has been resolved. Nov <var data-var='date'>26</var>, <var data-var='time'>10:25</var> EST Investigating - We are currently investigating an issue with sending emails from Putsmail.

Unable to send emails from Putsmail

Nov <var data-var='date'>19</var>, <var data-var='time'>14:17</var> EST Resolved - This incident has been resolved. Nov <var data-var='date'>13</var>, <var data-var='time'>15:03</var> EST Identified - iPhone 15 email previews are currently unavailable.

iPhone 15 email previews temporarily unavailable

Nov <var data-var='date'>14</var>, <var data-var='time'>12:45</var> EST Resolved - This incident has been resolved. Nov <var data-var='date'>14</var>, <var data-var='time'>11:01</var> EST Monitoring - A fix has been implemented and we are monitoring the results. If your test is not showing in your account, please resend it. Nov <var data-var='date'>14</var>, <var data-var='time'>10:17</var> EST Identified - The issue has been identified and a solution is being implemented. Nov <var data-var='date'>14</var>, <var data-var='time'>09:31</var> EST Investigating - We are currently investigating delays in processing incoming email tests. If you are able to test using raw HTML, you can use that method in the meantime.

Delay in processing incoming email tests

Nov <var data-var='date'>14</var>, <var data-var='time'>03:44</var> EST Resolved - This incident has been resolved. Nov <var data-var='date'>14</var>, <var data-var='time'>00:26</var> EST Investigating - Following database maintenance we're investigating a performance regression that's made this feature unusable.

Legacy Emails view unavailable

Nov <var data-var='date'>13</var>, <var data-var='time'>22:19</var> EST Completed - The scheduled maintenance has been completed. Nov <var data-var='date'>13</var>, <var data-var='time'>21:00</var> EST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Nov <var data-var='date'> 7</var>, <var data-var='time'>05:56</var> EST Scheduled - We will be undergoing scheduled database maintenance at this time for the Litmus Application. The application and dependent services will be unavailable during this time.

Scheduled database maintenance

Nov <var data-var='date'> 1</var>, <var data-var='time'>10:47</var> EDT Resolved - This has been resolved. If you sent in a test during the impacted period, it should come through once we have caught up. You can send the test again if you prefer. Nov <var data-var='date'> 1</var>, <var data-var='time'>10:24</var> EDT Monitoring - A fix has been implemented and we are monitoring the results. Nov <var data-var='date'> 1</var>, <var data-var='time'>09:51</var> EDT Identified - The issue has been identified and a fix is being implemented. Nov <var data-var='date'> 1</var>, <var data-var='time'>09:27</var> EDT Investigating - We are currently investigating errors in processing incoming email tests. If you are able to test using raw HTML, we recommend using that method in the meantime.

Incoming email tests are not being processed

Oct <var data-var='date'>31</var>, <var data-var='time'>08:11</var> EDT Resolved - This incident has been resolved. Oct <var data-var='date'>31</var>, <var data-var='time'>07:57</var> EDT Monitoring - A fix has been implemented and we are monitoring the results. Oct <var data-var='date'>31</var>, <var data-var='time'>06:22</var> EDT Investigating - We are currently investigating the issue impacting some server requests. If you are seeing an error, a page refresh should help.

Intermittent errors on some Personalize content types

Oct <var data-var='date'>16</var>, <var data-var='time'>23:00</var> EDT Completed - The scheduled maintenance has been completed. Oct <var data-var='date'>16</var>, <var data-var='time'>21:00</var> EDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Oct <var data-var='date'>10</var>, <var data-var='time'>12:43</var> EDT Scheduled - Some Litmus previews will be unavailable during this scheduled maintenance period.

[Scheduled] Database maintenance

Aug <var data-var='date'>28</var>, <var data-var='time'>23:00</var> EDT Completed - The scheduled maintenance has been completed. Aug <var data-var='date'>28</var>, <var data-var='time'>21:00</var> EDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Aug <var data-var='date'>21</var>, <var data-var='time'>15:21</var> EDT Scheduled - We will be undergoing scheduled maintenance at this time, and Email Analytics reports will be unavailable. Email Analytics tracking will not be affected. Reports will be updated with any open information once maintenance is complete.

Litmus Email Analytics

Aug <var data-var='date'> 6</var>, <var data-var='time'>17:00</var> EDT Completed - The scheduled maintenance has been completed. Aug <var data-var='date'> 6</var>, <var data-var='time'>15:00</var> EDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Aug <var data-var='date'> 2</var>, <var data-var='time'>10:17</var> EDT Scheduled - Our EspApi database will undergo scheduled maintenance at this time. Some ESP services,(Integrated Insights) will be unavailable briefly during this window, but the rest of the Litmus platform will be up and running.

Database maintenance

Jul <var data-var='date'>31</var>, <var data-var='time'>09:20</var> EDT Resolved - This incident has been resolved. Jul <var data-var='date'>31</var>, <var data-var='time'>01:59</var> EDT Monitoring - We’re seeing improved Email Analytics processing rates and expect that most customer data is up to date. We will keep monitoring the situation. Jul <var data-var='date'>30</var>, <var data-var='time'>22:33</var> EDT Identified - We are currently experiencing a delay processing Email Analytics data. The root cause is an issue with one of our hosting providers. We expect that once that issue is resolved we will fully process all data without loss.

Is Litmus down?

Litmus status is UP

Lastest published events

Database Maintenance - Litmus Personalize Pro

Builder documents not loading when Partials are present

Database Maintenance - Litmus Personalize Pro (EU)

Litmus Services, Components and Regions

Recent Litmus events

Database Maintenance - Litmus Personalize Pro

Builder documents not loading when Partials are present

Database Maintenance - Litmus Personalize Pro (EU)

Litmus application unavailable

Application unavailable

Multiple failures due to upstream service provider