1 IMAP Folder is Not Syncing Issue How to Fix It?
roseannagaby40 edited this page 2025-11-29 04:02:28 +00:00
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Their webmail works fine, and when this account is added to the Windows Mail app, everything works perfectly. These are the common reasons why the IMAP folder is not syncing. To resolve the IMAP issue, I will explain different solutions in the upcoming section of the article. It's just a little bit technical, but we have an IMAP proxy that chooses from some different backend IMAP servers. If the user account ends up on an old IMAP server implementation (in that case f.i. a Cyrus imapd 2.4.17), IMAP Client of iOS 18 Mail app doesn't work. If the proxy directs requests to a newer IMAP server implementation (f.i Cyrus imapd 3.6.1), the iOS 18 Mail app works as expected, even the requests are handled by the same IMAP server proxy.

Why IMAP Folder is Not Properly Syncing?

Look at the mail server settings boxes for password and port settings theyre the ones you need to delete and reapply. I will try the safe starts and experiment with the buttons ans see if it improves. I am using TB for just three weeks now and I have issues daily when sending online Outlook email repair utility mail with no attachments the outgoing mail server will time out. Since the sync issue is universal it appears to be a global issue.

Chosen Solution

Suspect some Apple Dev's have been lazy with some code work offline mode stuck in IOS18's mail.app and its causing the issue. I was a little hesitant but went ahead and let it completely remove all the synced items from the account off of my iPhone. After a minute, it was removed so just went and re-added it and BOOM. Decided to just try completely removing my Gmail account, the one that wasnt syncing with the Mail App after the iOS 18 update.

IMAP folder sync issue in the new Outlook (moved emails not syncing to webmail)

Microsoft Outlook is terrible in IMAP. Hence most people only use MAPI with it. If you are forced to use IMAP, I would recommend switching to an alternative E-Mail client like Thunderbird Thunderbird — Free Your Inbox.

I have not tried the add-on yet I am going to experiment.I use both webmail and Outlook desktop client to access my Gmail.If the server is down and you are experiencing issues, the problem IMAP folder is not syncing occurs.And because of the size, this is making the mail simply stop working after one day of normal use, forcing the users to end outlook process to make the mail sync again properly...So, properly follow the above steps and backup your data from IMAP folders.So it must be something in IMAP protocol handling on the old server that makes the iOS Mail app go out of sync or crash the syncing mechanism on the iOS device.

My accounts in Mail app stopped to sync post update

When you are dealing with any problem, it is important to understand the reasons behind the issues. Below are some causes that contribute to the problem. There are various variables at play here however, generally speaking, Outlook performs best when operating as a front end for Microsoft Exchange and Gmail when accessed via a web browser. Ive never heard of setting a path before for email, so apologies if this is a simple solution to those who come across this in the future. If Office 365 Sync Errors Fix you can, turn off IMAP, require 2FA, and use the native outlook client. Hate to be a Debbie Downer, but why are you using IMAP?

Microsoft, gmail and other popular accounts should sync automatically, but if they don't, I'm inclined to think it's due to the VPN or a security/antivirus app that is scanning the TB profile folder. But many users run into the problem where their important IMAP folders are not syncing or stop updating. Thats why, here I am to help you in this situation by providing you with solutions. But, before that, lets understand the cause of the issue.