Re: recurrence of old problem with inordinate delays fetching mail

Hi Jack!

On 05/25/2021 10:57:31 AM Tue, Jack via balsa-list wrote:
Hello all,

I've just returned from a three weeks vacation.  While away, I only used imap for all email access.  I'm now 
trying to POP3 download all my email.  All mail servers have gone fine except for gmail.  There are a bit 
over 200 messages, and after somewhere around half of them were downloaded, it started taking over twenty 
seconds for each additional message.  Based on watching top and on previous experience, I believe the problem 
is that Balsa applies inbox filters after each new message is downloaded, and this calls html2text on every 
message in the mailbox, but now I have over 150 messages in my mbox inbox.  In the short term, can anyone 
suggest a way to find which one is likely causing problems?  In the long run, would it make sense not to 
apply filters to a mailbox until all pending actions are done - specifically fetching a whole bunch of POP3 

I've also tried deleting a few messages at a time from the INBOX, but it just hung, presumably having 
problems rewriting the mbox file.  I might try deleting all the remaining new messages from the INBOX and 
then copying one at a time from the IMAP inbox.

I have a vague recollection that in the past, the problem was caused by some HTML only message with invalid 
HTML that all browsers and other email clients (TBird) handle fine.

(Hopefully I'll be able to find any answers to this by using IMAP for the interim.)

Thanks for any suggestions.


The long-run fix could get complicated. I've opened an issue [1] where we can discuss strategies for avoiding 
these kinds of delays.

In the short run, if the delays are indeed caused by on-reception filtering, you could perhaps just 
temporarily disable the filters.




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