Thunderbird

Thunderbird is an email, newsgroup, news feed, and chat (XMPP, IRC, Twitter) client that supports POP and IMAP and LDAP address completion. The vanilla version is not a personal information manager, although the Mozilla Lightning extension adds PIM functionality. Thunderbird can manage multiple email, newsgroup, and news feed accounts and supports multiple identities within accounts. Features such as quick search, saved search folders, advanced message filtering, message grouping, and labels help manage and find messages. Thunderbird incorporates a Bayesian spam filter, a whitelist based on the included address book, and can also understand classifications by server-based filters such as SpamAssassin. Extensions allow the addition of features.

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I am looking suggestion on how to convert MBOX email format files to PST easily.

Are there any free utility that anyone have experience with ?  

I believe MBOX file can be opened by Thunderbird Email client but not sure if it does convert to PST.

THanks in advance
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In a work environment where the client is using Mozilla Thunderbird version 60.5.0 (32-bit) in conjunction with Intuit Quickbooks Enterprise Solutions Manufacturing and Wholesale version 2019, emails are sent out to vendors with purchase orders.  The client would like to have his Mozilla Thunderbird present a receipt to his computer with the Thunderbird installation when the message is opened or better yet read.  Is there a setting and where within Mozilla Thunderbird 60.5.0 would provide the best solution to get a verification from the vendor upon receipt of the email as sometimes emails are in some occasions are assumed sent, a purchase order that is assumed attached doesn't get sent for some reason or the email isn't received.

..or is there another third party solution.
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How do I reset the master password of Thunderbird. When I google the topic, the suggested response does not match what I find on my screen even though I am using the latest version
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I have just recently setup a new ISPConfig mail server for a small company.  The mail server resides within the internal network managed by a SonicWall.  I have opened appropriate ports and allowed traffic through so the mail server is functioning fine.  The Roundcube interface works fine for the employees to login and check their mail, but some of the clients would like to have Outlook or Mozilla Thunderbird function outside of the network so I believe access through the firewall needs to be established on the SonicWall to accomodate this with appropriate settings placed in their device's Thunderbird or Outlook installation to reflect this.
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running windows 10
everytime i have an online form to reply to a website, it opens edge
when i send the mail, i Always get the message it could not send the mail, and puts it in to concepts
my default mail app is thunderbird mail

how can i solve this?
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Hi,
I do not know why Thunderbird does repeatedly prompt below for password, while I'm using the domain account with correct password entered.
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C: drive croaked.  Finally gave up and started with a from-scratch installation of Windows 10.  All programs, OS, etc, on C:, all data on other logical drives.  This notebook has 1TB of SSD, partitioned.  So far so good.  However I managed to delete essentially all email from one Thunderbird account; the other four are fine.  Email is IMAP style.  But deleted an entire set for one account, so the server did too.  Carbonite has a complete copy of the entire Thunderbird folder (it has started over with my new installation), so looking for how to "simply" get all of the INBOX emails for one of the five accounts and import or copy them into my current TBird environment.  Spent some time with the Carbonite folk; not much help.  I did reinstall Carbonite, so I have the Carbonite Backup drive which they claim has the old file in it.  I suppose the Carbonite "drive" is just an interface to all the data that is actually at their end.  So I have about 3K email I need to recover from Carbonite, get into "new" Thunderbird.  The old version is due to be deleted soonish, so some urgency.
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Running Thunderbird 52.8.0 (32 bit) with the mail supply from Office 365.

Two issues:

1. I have a series of Grey folders - almost all are empty. If I delete them they disappear then reappear???
2. I have created some new folders in Outlook that don't appear when viewed form Thunderbird.

I would prefer to use Thunderbird as my front end.
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I have a customer who works for a company that changed servers for e-mail.   I downloaded his folders of "sent", "saved e-mails", "drafts".   The downloaded as Zipped files.   I am trying to import them into Thunderbird, but it seems they need to be  ".EML " files to be able to import into Thunderbird.   Any idea how I would go from a zipped file to import into Thunderbird?
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I am running Exchange 2013 with an Edge server in a production environment as 2 separate VM's.(CAS & Mailbox Server Combined / Edge Seperate)  Both Exchange and Edge are versions 15.00.0847.032
The first issue I am trying to solve is to get IMAP4 and POP3 working with this server. When I try to connect via Thunderbird I get the message "Thunderbird failed to find the settings for your email account". When I run the command Get-ReceiveConnector "*\Client Frontend*" command under bindings I get: {[::]:587, 0.0.0.0:587} Enabled is True

Outlook / auto discover appears to work fine, the problem is trying to use 3rd party clients IMAP4 and Pop3 protocols.

Do I need to edit my receive/send connectors to show the IP/FDQN somehow?
Thank You in advance for any help offered.
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I am trying to read Thunderbird files such as Inbox in Delphi - to get the email addresses and to be able to parse the message contents and suchlike.

Is there a component or class that can do that publicly available? I believe Thunderbird stores the emails in the mbox format.
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I just bought a new DELL Latitude E5270 Laptop and installed Thunderbird on it.  It connected to my POP3 E-Mail account just fine, even downloaded the E-Mails that were out there and correctly dropped a lot of trash into the junk folder.   However, once I exited the program and re-entered it, every e-mail in my Inbox was gone and even though I tried to send new E-Mails to that account, it never downloaded them again.   I read through every forum I could find, checked all the common parameters people are saying might cause such a thing, but nothing.   It simply does not work.   I uninstalled BitDefender Anti-virus and it started working again, so I thought the problem was an incompatibility of some kind.   However, when I went back into Thunderbird today, it again deleted all the e-mails in my Inbox.   Do you have any idea what might be causing this?
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I have a business client who has an AOL email account. They have been using Thunderbird with their email account. It is not sending or receiving email. They can use the internet. I shut off the firewall and the antivirus software ( Avast ). They can use the webmail version but don't like it. I check the ports. I uninstalled the profile and made a new one, I uninstalled the software and reinstalled. I installed Mail Bird to check with anouther client and that didn't work. I tried setting it up with a different email from my own domain I know works and that didn't work with either software. The system is running windows 10. Any help will be greatly appreciated.
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gmail creates hundreds of empty labels in my gmail account. I have the normal labels Inbox, Sent, ... and then below appears
a label "gmail" with many nested "gmail" inside. There are a great number of these top level labels. I can use the remove
 function to delete them but they immediately return. Google does not care when gmail is broken and only provides support
if I have my own domain and then add paid gmail support. It does not appear to be possible to buy support fro a gmail.com email account.

My Xfinity email fails to sync with my gmail Inbox. Thunderbird syncs and shoes the nested labels. Android gmail also works.

Another anomaly is that email sent to my gmail account sometimes appear only in my comcast Inbox on Thunderbird.  Thsi is also true for my Inbox on the Xfinity web site.

As an additional test from Thunderbird I sent test email from gmail to both my comcast and gmail accounts and second to gmail  only. I sent a 3'rd email from my web gmaiI. I received the comcast in the Thunderbird Inbox but only the 3'rd gmail. All 3 are in the "All Mail" folder. . I also checked with my web gmail and see the same results.
gmail_labels.png
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Thunderbird

Thunderbird is an email, newsgroup, news feed, and chat (XMPP, IRC, Twitter) client that supports POP and IMAP and LDAP address completion. The vanilla version is not a personal information manager, although the Mozilla Lightning extension adds PIM functionality. Thunderbird can manage multiple email, newsgroup, and news feed accounts and supports multiple identities within accounts. Features such as quick search, saved search folders, advanced message filtering, message grouping, and labels help manage and find messages. Thunderbird incorporates a Bayesian spam filter, a whitelist based on the included address book, and can also understand classifications by server-based filters such as SpamAssassin. Extensions allow the addition of features.

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