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POP3 Protocol - Misleading error message?

Thunderbird Version 115.10.1 on Windows 10 I wrote my own POP3 server and it largely seems to work apart from when Thunderbird tries to RETR the email messages at which … (read more)

Thunderbird Version 115.10.1 on Windows 10

I wrote my own POP3 server and it largely seems to work apart from when Thunderbird tries to RETR the email messages at which point I get the error "Unable to write the email to the mailbox. Make sure the file system allows you write privileges, and you have enough disk space to copy the mailbox.".

If I drag a saved version of that same email that fails to be retrieved into Thunderbird , it can write it to the Inbox without issue. That means Thunderbird has permission to write to the Inbox file and so it is not a permission issue and there is enough space. I feel like it is more likely to be something I am doing wrong in my protocol implementation. For example, could I get this error if I misrepresented the octet count? Also I notice that even though my CAPA reply does not include UIDL, Thunderbird still seems to send that request and should get the response "-ERR Unknown command".

Output from my server showing what Thunderbird sent to it: CAPA USER person@mydomain.com PASS XXXXX STAT LIST UIDL RETR 1 QUIT

Any help is much appreciated, even if it is guidance on how I can debug it more thoroughly.

Thanks.

Asked by adam.morgan 3 hours ago

Can't send emails

Thunderbird suddenly stopped sending Emails. This message appears: "Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. … (read more)

Thunderbird suddenly stopped sending Emails. This message appears: "Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: csmtp3-prd-nl1-vmo.edge.unified.services csmtp3-prd-nl1-vmo.edge.unified.services Virgin Media has blocked your connecting IP 82.33.148.41 Too many bad emails have been sent. Visit https://netreport.virginmedia.com/netreport Section: Email Sending Errors to request delisting."

I have visited the web site, sent the report, and rung VM, to no avail. Window 10. Thunderbird v115.10.1. SMTP: Blueyonder smtp.blueyonder.co.uk Port 25 Authentication method: Password, transmitted insecurely Connection Security: None AVG anti-virus. I have used Therbird for 20+ years. Can you help?

Asked by kenr4 1 day ago

Last reply by kenr4 4 hours ago

Combine Accounts in Thunderbird

Cox.net has discontinued e-mail, transferring all accounts to Yahoo. If I 'add' my new Yahoo account to TB, can I combine future emails and future sent mail with the ex… (read more)

Cox.net has discontinued e-mail, transferring all accounts to Yahoo.

If I 'add' my new Yahoo account to TB, can I combine future emails and future sent mail with the existing Cox.net history data in my TB account?

Thanks! phil

Asked by pbroughton2 6 hours ago

Impossible to stop Thunderbird compacting folders it hasn't seen before?

Hi, About a month ago I accidentally activated the "Delete all but the most recent 2000 messages" option for one of my mail account in Thunderbird (15.10.1 (64-bit) on a… (read more)

Hi,

About a month ago I accidentally activated the "Delete all but the most recent 2000 messages" option for one of my mail account in Thunderbird (15.10.1 (64-bit) on a MacBook Air). Luckily our local support were able to restore the affected folders. BUT - every time I opened the restored folders in Thunderbird, all the restored messages would disappear again. Correspondingly, the support team can see at this time large numbers of messages being deleted.

I've tried to delete the affected mail account from Thunderbird - didn't help. I've hidden my profile and started Thunderbird from scratch, set up the mail account again (so there should have been no leftover information from any previous instance of the account) - didn't help. I can see that whenever I open a folder for the first time, Thunderbird says "Compacting" - this is even though I have "Always ask before compacting" set. Even after I turn off automatic compacting for space saving >20MB, Thunderbird still compacts when it first sees a folder.

I have verified this behaviour by connecting to the same mail server using alpine - I see messages flagged for deletion in the restored folder; as soon as Thunderbird touches the folder, they disappear (even though no compacting should be happening and I should be prompted before it does, see above). Conversely, if I remove the "to delete" mark from the messages using alpine and then open a folder in Thunderbird, the messages are visible there.

From my understanding of what Thunderbird should be doing when compacting (or rather when not compacting), I would say the behaviours I've seen are rather significant bugs. But if I've misunderstood and there is some other way to stop Thunderbird from purging messages marked for deletion, I would be grateful for any advice.

Many thanks in advance for your help.

Asked by psollich 1 day ago

Last reply by psollich 11 hours ago

How to create a saved search folder "not in other saved searches"?

(TLDR; Questions in bold at the bottom) I currently have just a desktop Mac. I recently switched from Apple Mail to Thunderbird to read three email accounts: iCloud, gma… (read more)

(TLDR; Questions in bold at the bottom)

I currently have just a desktop Mac. I recently switched from Apple Mail to Thunderbird to read three email accounts: iCloud, gmail & a university account. I had previously used rules at the server level on my iCloud account, and this caused hella pain during the migration, including some zombie rules that I think I have isolated to Thunderbird. I deleted the rules from iCloud, removed the iCloud account from Thunderbird, restarted and then re-added it to Thunderbird. So far, so good, although I had to resubscribe to the draft, junk and trash folders (all other than the inbox) for some reason.

I have decided to experiment with not using rules or folders at all, and instead use local saved searches in Thunderbird. This will make my life easier when I get a laptop, which is inevitable. Two machines reading the same IMAP emails with rules can get weird.

Can I copy/paste existing saved search folders, so I can do similar searches just by making minor changes to the search terms? If so, how?

Can I copy/paste or save saved search folders, so I can do the same searches on a different Mac, without painstakingly recreating all the search terms? If so, how?

Can I create a saved search folder that contains all the messages not found in any OTHER saved search folder? If so, how?

Asked by townie 1 day ago

Last reply by townie 21 hours ago

Thunderbird Message Filter

Until recently when a spam email was received, I could go to my Message Filters and one set up as DELETE. After entering the spam email address I could then select RUN NO… (read more)

Until recently when a spam email was received, I could go to my Message Filters and one set up as DELETE. After entering the spam email address I could then select RUN NOW and the spam email would be deleted. When I click RUN NOW at present nothing happens. How can I get this filter to work again.

Asked by ajc890 23 hours ago

Deleted Items Gone

All of a sudden, over 6 months of my "deleted" items dropped off. I like to keep up to 9 months items for history reference if needed. Is this an automatic thing, or if,… (read more)

All of a sudden, over 6 months of my "deleted" items dropped off. I like to keep up to 9 months items for history reference if needed. Is this an automatic thing, or if, can it be adjusted by settings?

Asked by lock3 1 day ago

Deleting emails in Thuderbird in Outlook email account does not delete them in Outlook

Hello. I have my outlook.com account set up in Thunderbird 115.10.1. When I delete emails in Thunderbird from my inbox, they disappear and they go to the Deleted folder… (read more)

Hello. I have my outlook.com account set up in Thunderbird 115.10.1. When I delete emails in Thunderbird from my inbox, they disappear and they go to the Deleted folder in Thunderbird as they should, but they aren't deleted on the Outlook server. I can still see them in my inbox if I use my Outlook app on my phone. I must delete them using my phone.

If I delete an email on my Outlook app on my phone, they disappear immediately in Thunderbird, which is correct. In other words, it works correctly if I delete from my phone, but not from Thunderbird.

My server settings are: Server Type: IMAP Mail Server Server Name: outlook.office365.com Port: 993 Connection security: SSL/TLS Authentication method: OAuth2 When I delete a message: Move it to this folder: Deleted on <myaccount>@outlook.com

Can anyone help? Thanks!

Asked by mossy_rock 1 day ago

Last reply by mossy_rock 1 day ago

My history only goes back to January 19, 2023

I was looking for an item that would be a couple of years back in my history, only to discover that my history now only goes back a year and 3 months… Exactly, as of toda… (read more)

I was looking for an item that would be a couple of years back in my history, only to discover that my history now only goes back a year and 3 months… Exactly, as of today, I don't know if that's meaningful. Does anyone have any idea what might've happened, and how I can restore the rest of my history? Thank you!

I'm on a Mac using Mojave, with Firefox version 115.8.

Asked by Lisa Smith 2 days ago

Last reply by Lisa Smith 1 day ago

drag and drop keeps breaking.

i am using firefox developer edition version 126.0b3 (64-bit) on linux mint with an x11 desktop and for some reason the drag and drop breaks frequently. i think i have f… (read more)

i am using firefox developer edition version 126.0b3 (64-bit) on linux mint with an x11 desktop and for some reason the drag and drop breaks frequently.

i think i have figured out how i can consistently recreate the bug as well as sort of fix it temporarily.

i start with a newly launched browser. everything works fine. but then if i attempt to drag and drop something shortly after i drag and dropped something else and it did the little animation where it returns to its original position, i find that i cant drag and drop anything FROM firefox to anywhere else. and i also cannot rearrage tabs.

it seems to fix itself whenever I drag something from another program TO firefox successfully such as text into a textbox, or a .html file into the window to view it.

Asked by goombabomber11 2 days ago

my minimize, maximize and close window buttons have disappeared

I think with the update to 125, I no longer see the typical Windows window controls in the upper right - minimize, maximize, close - so I don't know how to do those thing… (read more)

I think with the update to 125, I no longer see the typical Windows window controls in the upper right - minimize, maximize, close - so I don't know how to do those things.

THe top right looks like this Mac-based image (where those buttons are on the upper left) but I'm running on Windows so I don't have the dot buttons on top left nor the Windows style min/max/close at top right.

What do I need to do to get them back?

Asked by cmdoehlert 2 days ago

Last reply by cmdoehlert 2 days ago

Oauth fail on thunderbird 115.10.0 (64-bit) Linux

Hello My Thunderbird failed pop access to my Gmail account, at beginning of month. Any try to fix, and even change from pop to imap don't work. I get the windows as shown… (read more)

Hello My Thunderbird failed pop access to my Gmail account, at beginning of month. Any try to fix, and even change from pop to imap don't work. I get the windows as shown i images as result. I don't like see oauth/legacy/consent in the URL. - Change setting in Google from pop to imap - Cookie setting updated as forum suggest - JavaScript true as forum suggest

Any hint on forwarding step? Thanks Lars Granath

Asked by Lars Granath 4 days ago

Last reply by Lars Granath 2 days ago

Firefox will not start

I have uninstalled and reinstalled firefox and restarted my computer but it still will not load. When i first reinstall it it comes up but will not connect to the intene… (read more)

I have uninstalled and reinstalled firefox and restarted my computer but it still will not load. When i first reinstall it it comes up but will not connect to the intenet.

Asked by LACanyon 3 days ago

Last reply by LACanyon 2 days ago

Thunderbird does not receive mails - can send mails though; account missing

Without having done any active change: For some time TB seems to not have passed on mails from my alternative mail account. I cannot seem to find the previously functioni… (read more)

Without having done any active change: For some time TB seems to not have passed on mails from my alternative mail account. I cannot seem to find the previously functioning gmx account in my settings.

For two days now I do not receive any mails at all. Apparently I can send them, though.

I restarted the programme and tried in safe mode, to no avail.

I am a simple creature, please advise or enquire in a manner an exhausted non-tech person may be able to follow.

Asked by thunderbirdtrouble 2 days ago

Automatically Open Email Links in Private Mode on Android

For some reason, when I click email links on my new Android, they open in non-private mode, and I have to clear the history when I leave those sites. Please provide inst… (read more)

For some reason, when I click email links on my new Android, they open in non-private mode, and I have to clear the history when I leave those sites.

Please provide instructions for automatically opening email links in private mode.

Thanks!

Asked by John Larson 2 days ago