Android Aqua Mail cannot add EWS account since Build 9560
Problem reported by Brian - 3/25/2026 at 8:17 PM
Known
When adding an account in Aqua Mail using EWS, the app responds: Invalid Server Response.
Also, existing SmaterMail mailboxes in Aqua Mail show no messages after Build 9560.
Sending email from existing mailboxes works.

Downgrading to Build 9546 fixes the issue.
Andrew Barker Replied
Employee Post
We actually have two items in our tracking system for this issue right now. I've gone ahead and marked this issue as Known.

Andrew Barker
Lead Software Developer
SmarterTools Inc.
www.smartertools.com 

Aqua mail also has issues with Office365 exchange accounts.... 
Andrew Barker Replied
Employee Post
It looks like this issue came to light because of a change that was included in build 9560 to fix a bug we had with Outlook on Mac over EWS. Based on some internal testing we did, we suspected that the problem was with the parser used by AquaMail. This led us to open a ticket with AquaMail, and they confirmed that their parser is not properly handling the change we made. Unfortunately, they were not able to provide an estimate for when a fix will be available.

Andrew Barker
Lead Software Developer
SmarterTools Inc.
www.smartertools.com 

Brian Replied
Awesome! Thank you.

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