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Former Member
Message 1 of 21

Thunderbird 24 Slow to Delete Messages

Thunderbird 24.0.1 has become very slow to delete emails within the past week of October 13 taking about 30 seconds to complete the action for each delete.

When I disable Scan Email attachments everything runs as normal.

How do I correct this problem?

I've compacted folders and recreated Thunderbird db indexes.

Anti-Virus and Anti-Spyware

Version 16.8

Build 16.8.708

Last Update 10/16/2013

Engine Version 1680.0

Engine Creation date 10/16/2013

20 Replies
Message 2 of 21

Re: Thunderbird 24 Slow to Delete Messages

Hmm I am still on 17.0.6 will update to 24 and monitor over next day of three. Try going into  Mcafee real time scanning and unselect scan email attachments . Does that help mif so I need to pass this onto Mcafee.

Message 3 of 21

Re: Thunderbird 24 Slow to Delete Messages

Agreed mine now takes 3 secs to delete an email unselecting email scanning speeds it up. I have reorted it for our monday mod call. Can you confirm the email setting helps and if it does call support and log a support call.

Former Member
Message 4 of 21

Re: Thunderbird 24 Slow to Delete Messages

Thank you Tony.

The email settings are as in my original post.

To clarify, with email attachment realtime scanning enabled it takes 22 seconds to delete a message from the inbox.  With realtime email attachment scanning turned off it is virtually instantaneous. 

This is repeatable.

I have compacted all email folders and re-indexed the email db by deleting the file from my email profile.

I have 1,033 messages in my inbox and 25,300 messages in my trash folder.  I have 8 subfolders from the Inbox.

Let me know if more information would be helpful.


Message 5 of 21

Re: Thunderbird 24 Slow to Delete Messages

What it means is support needs to know of issue tell them about it and that it happened in v17 as well till Mcafee fixed it. Do not allow them to uninstall etc the issue is repeatable maybe mine faster as I recently cleared 18mths of emails out of each folder.

I cannot report it as I run the 12.9 beta. I have added this to our Monday moderator phone in but would appreciate it if you report it officially and post your job number here.

Sorry missed your email scanning off initial comment. This is the same issue we had in 14/17 versions. In fact 17 was really bad as it was giving not responding messages etc that made things unusable.

on 18/10/13 6:51:21 EDT AM
McAfee Retired
McAfee Retired
Message 6 of 21

Re: Thunderbird 24 Slow to Delete Messages

Hi deepskydan,

Please clarify the below

Whether your Email provider allows both IMAP and POP3 configurations - If so please re-configure alternatively and check

Whether  more than 4 Email accounts are configured in Thunderbird ?

Were you facing the issue in Thunderbird Version 20.0.0 ?

Please provide the version of Anti-Spam and its Build number so that I can verify if its the latest version..!


Message 7 of 21

Re: Thunderbird 24 Slow to Delete Messages

Selvan it is happening to me as well on beta 12.9.133 and Tb24. I was on TB17 and it was working fine with 2 accounts. It is not an isp issue this is the same issue though not as bad that all older versions of TB had with Mcafee . These were fixed.

My ISP is pop3 or IMAP Antispam is 13.8.706 though I feel it is not an AS issue.

McAfee Retired
McAfee Retired
Message 8 of 21

Re: Thunderbird 24 Slow to Delete Messages

Hi Tony,

I have passed on this to Mohan B from Tier 3 however he'll be able to figure out if logs have been sent for Analysis (Analyse whether AS or TB is causing slow down). Alerted one of the T2 tech in Sofia to collect logs. Beleive this was already included in our Monday call. Will have a discussion..!


Message 9 of 21

Re: Thunderbird 24 Slow to Delete Messages

Thanks The issue is far better than what was happening before though having to wait for email deletion is annoying it was far more annoying having the whole program not responding for many minutes. AS mine is a beta version best not confuse Mohan

Former Member
Message 10 of 21

Re: Thunderbird 24 Slow to Delete Messages

Chinthanai Selvan P

I have 8 email accounts setup in Thunderbird 24.0.1.  Six are POP and 2 are IMAP (aol).  The POP accounts do not offer IMAP.

I do not have anti-spam activated, it is turned off.

Version 13.8

Build 13.8.706

Last update 10/14/2013

content version 3963

content update 5/1/2011 10:09:47 AM

Engine version

This is the first time I have noticed a problem with any version of Thunderbird, deleting messages, and McAfee.

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