Knowledgebase : Troubleshooting > Known issues
With the recent changes on Microsoft servers, the IMAP protocol for
Outlook/Hotmail/Live/MSN/etc. accounts can be unusable for some
external applications at this time.
Please set up your account as Exchange.
* Download the attached registry file in ...
IF YOU UPGRADED FROM EM CLIENT 6, your data hasn't been actually lost
- you just accidentally skipped database migration.
Since eM Client 7, we have created a completely new database structure
for more efficient data storage, so the data cannot be just ...
Please try the following steps to get rid of any 'ghost' messages:
* Turn off Conversations (Menu > View > Conversations > Disable
Conversations)
* Close eM Client
* Open RUN function from the Start menu
* Run the command "C:Program Files (x86)e...
[CALDAV] SUBFOLDER SYNCHRONIZATION OF FOLDER "OUTBOX" FAILED DUE TO
THE FOLLOWING ERROR: NOT FOUND
This is a server error that started happening recently on Apple
servers and applies to EM CLIENT 7.0 and older.
When CalDAV lists the available folders ...
This is a known issue with selected Yahoo servers because Yahoo does
not officially support subfolders at all.
That is why the subfolders created in eM Client can disappear after
synchronizing with the Yahoo server. The server will clear them out.
We ...
We, unfortunately, do not support export to PST files and it is not a
feature our developers plan to implement in the future since the file
is specific for Outlook only.
Instead, we export messages into EML files which is a widely accepted
standard file...
This issue started happening in eM Client 7.0 when we changed the way
we work with Gmail. Since we started supporting Gmail labels and
folder structure, all labels are synchronized.
And one thing that was not visible before (and might not be visible
in ...
Microsoft has officially ended support for Windows XP on April 8,
2014.
Unfortunately, this means that the security protocols from the last
service update are no longer up to the current standard.
So when you try to activate the license after the eM C...
If you use the default Windows proxy, download the config included in
the attachments section of this article.
Copy it into the_ eM Client_ folder in _C:Program Files (x86)_.
This config file should then enable the program to detect the needed
credent...
Users of BTinternet email accounts have recently seen a variation of
these errors:
_[IMAP] Cannot open folder ... ([Clientbug] Select additional
arguments found after last expected argument)_
_[IMAP] Cannot open folder ... (unrecognized extra argument...
_UPDATE: NTLM IS NOW SUPPORTED IN EM CLIENT 8.2 AND NEWER_
In case you're trying to set up an Exchange account in eM Client for
Mac and you're getting pop-ups with failed authentication, then your
mail server most likely requires an NTLM authentication,...
If you use Google or Yahoo accounts your accounts might have stopped
synchronizing after the upgrade. This is most commonly caused by
external apps like Antivirus, Firewalls, VPNs, etc. which are blocking
the new eM Client 8 for your safety because the pr...
The release of eM Client 8 has brought enhanced search capabilities,
including searching in the text of attachments and on IMAP and
Exchange/Office365 servers. Sometimes though, searching through the
mail server does not return correct/expected results, s...
We believe that the slowness of the new version is likely due to the
attachment indexation and folder syncing. You can try leaving eM
Client running overnight so it can complete this process.
Alternatively, you can run the eM Client application with a d...
This is likely caused by the system notifications from your operating
system. Try going TO MENU > SETTINGS > GENERAL > NOTIFICATIONS and
disabling the "Use system notifications box". Sometimes the system
notifications from Windows misbehave and don't work...
If you get the following error:
_[Google Contacts]Uploading item(s) to folder
'account@gmail.com/Contacts' failed due to the following error:
Execution of request failed:
https://www.google.com/m8/feeds/contacts/default/full (Invalid
request.)_
The fi...
After uploading your Public Key to eM Keybook, you might have received
a message saying:
_Uploaded Public Key not Verified_
_Public Key John Doe for email address example@yahoo.com was uploaded
to eM Keybook, but has not been verified yet. Should eM C...
On June 15th, 2021 Google phased out the Google Contacts API, which is
a protocol we used for synchronizing Google contacts in older versions
of eM Client. If you are still running one of these versions, you will
encounter this error:
_[Google Contacts]...
UPDATE 9/30/2021: MICROSOFT HAS NOW FIXED THEIR OAUTH AND THE
AUTOMATIC SETUP WILL WORK AGAIN.
On September 24th, 2021 Microsft made some changes on their mail
servers, which disabled OAuth login for the IMAP protocol on their
accounts. Unfortunately, t...
When using an account that is running on an Exchange server provided
by Microsoft, you can encounter this error:
Known Microsoft Exchange server error "User is authenticated but not
connected" has been encountered on IMAP connection. This issue is
tempo...
If you use Windows system notifications for eM Client and eM Client is
already running, you can encounter this error when trying to perform
an action directly from the pop-up:
Communication with the previous instance failed. The other instance
has to be...
Some users with the latest eM Client 9 for macOS might have
encountered an issue where their messages never finish loading, even
though clicking REPLY shows that the message text is available. We
have tracked this issue to App-specific region settings, so...
TLS 1.3 is the fourth version of the commonly used protocol for secure
communication on the internet. Unfortunately, not all apps and systems
can work with it correctly now, such is the case with Windows 10.
You can view which Windows versions can work w...
Update 3/2/2023: We have created an alternate workaround which uses
AirSync instead of SMTP for sending emails, read more here
[https://www.emclient.com/blog/workaround-for-the-sending-issue-via-smtp-for-microsoft-outlook-com-accounts-570].
The new worka...
Email provider GMX allows its users to enable more secure
authentication for their accounts, the TWO-FACTOR AUTHENTICATION -
https://www.gmx.com/security/2fa [https://www.gmx.com/security/2fa]
When you enable this additional security layer, you need an A...
Some users experience issues with their Exchange accounts on our
mobile app, even though the same account connects correctly on
desktop.
This is caused by incorrect NTLM implementation in the .NET platform,
which our and many other applications use. Thi...
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