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1811364,1575363,2026-04-12 11:03:16 -0700,2026-04-12 11:03:16 -0700,"<p>Please look at this link as it was a solution for the person who posted it. </p> <ul><li> <a href=""https://forums.xfinity.com/conversations/email/thunderbird-email-client-reports-ip-address-temporarily-blacklisted/69d46ca01eded319672ee6e5"" rel=""nofollow"">https://forums.xfinity.com/conversations/email/thunderbird-email-client-reports-ip-address-temporarily-blacklisted/69d46ca01eded319672ee6e5</a> </li></ul> <p>Basically check all the following: </p> <ol><li> <strong>Enable IPv6 on your Router:</strong> Ensure your router is set to ""DHCPv6"" or ""Prefix Delegation"" so it gets a unique IPv6 address from the ISP. </li><li> <strong>Enable IPv6 in Thunderbird</strong>: Go to Settings > General > Config Editor and ensure network.dns.disableIPv6 is set to false. </li><li> The Result: Your computer will use its own unique, unshared IPv6 address to talk to Comcast. Since this address isn't shared with neighbors, you bypass the ""IP Blacklist"" meant for someone else. </li></ol>",Toad-Hall,false,0,0
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1811409,1575363,2026-04-12 16:12:13 -0700,2026-04-12 16:12:13 -0700,"<p>Email account setting is set to allow 3rd part apps to access it. I did try resetting it, but didn't fix this. Router is set to use IPv6. Confirmed with the test site in the linked article. IPv6 setting in Thundrebird is set to False. </p>",magic88889,false,0,0
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1811462,1575363,2026-04-13 02:39:55 -0700,2026-04-13 02:39:55 -0700,<p>Ugh. It randomly started working today. For about 8 hours I could send and receive mail. Now it's broken again. And just as I was typing this....it worked again. What is up with this? </p>,magic88889,false,0,0
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1811628,1575363,2026-04-14 04:19:08 -0700,2026-04-14 04:19:08 -0700,<p>And it has continued to work all day today....I don't understand why but maybe it's fixed? </p>,magic88889,false,0,0
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1811657,1575363,2026-04-14 08:33:06 -0700,2026-04-14 08:33:06 -0700,"<p>Maybe the last changes to the settings you made, the way your router handles IPv6 or ""Email account setting is set to allow 3rd part apps to access"". </p><p>or just Comcast automatically clear a temporary IP block after some Days of ""good behavior""?. </p><p>The fact that it worked on a mobile hotspot earlier proved it was not a Thunderbird software bug, but a network handshake issue that just needed time to resolve. </p><p>If you're in the mood for a headache and remember the last changes you made, you can reverse them to find the issue. </p>",norhorn,false,0,0
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1811718,1575363,2026-04-14 14:37:12 -0700,2026-04-14 14:37:12 -0700,<p>Yeah I don't know. I didn't make any changes from when it didn't work to when it worked. As of now it is still working just fine. </p><p>Thank you and Todd for all your help. </p>,magic88889,false,0,0
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1810822,1575369,2026-04-08 18:13:09 -0700,2026-04-08 18:13:09 -0700,<p>La tua connessione ad internet è di Telecom Italia/ TIM? </p>,@next,false,0,0
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1810986,1575369,2026-04-09 17:03:34 -0700,2026-04-09 17:03:34 -0700,"<p>No, è con Eolo </p>",maripier2,false,0,0
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1810994,1575369,2026-04-09 18:18:30 -0700,2026-04-09 18:18:30 -0700,"<p>Allora non puoi accedere da client, o almeno così riporta Tim: <a href=""https://www.tim.it/assistenza/assistenza-tecnica/mail/configurazione/client-pc"" rel=""nofollow"">https://www.tim.it/assistenza/assistenza-tecnica/mail/configurazione/client-pc</a> </p>",@next,false,0,0
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1810809,1575377,2026-04-08 17:07:04 -0700,2026-04-08 17:07:04 -0700,"<p>You need to post screenshots of the full error message, plus screenshot of your SMTP server settings pane before anyone can give possibly useful suggestions. thank you </p>",davidsk,false,0,0
1577255,2026-04-20 05:00:51 -0700,2026-04-20 06:57:41 -0700,en-US,thunderbird,How do I remove the THREADS so that I see each email separately and in actual chrono;ogical order?,false,,,false,1812571,1812571;,customization,windows-11;thunderbird;customization;,pldhort,"<p>With the latest update, this very annoying THREADS appeared, and I cannot go back to the original format for individual emails in their correct chronological order. I do not like this format, and if I can't go back to the original, then I will be finding an alternative email program - that is how annoying this change has been to me. </p>",pldhort;siffemoz;,false,false,false,";useragent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/147.0.0.0;tb_version:149.0.2 (64 bit);os:Windows 11",1,0,0,,,
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1577256,2026-04-20 05:10:03 -0700,2026-04-20 05:10:03 -0700,en-US,thunderbird,Very Slow to upload emails from the server,false,,,false,,"",crashing-and-slow-performance,windows-11;thunderbird;crashing-and-slow-performance;,pldhort,"<p>Since the latest update, the uploading of new emails from the server can take minutes to hours. I know the emails are on the server, because I can see them by logging onto my email client on my iPad. Why has Thunderbird suddenly become very frustrating to use? An example which just happened - I was required to enter a 6 digit code to be able to confirm my account before I could submit this question. I waited, and waited and waited to see this code in my Inbox. Finally I went to my iPad to get the code, so I could submit this question. It was there as I expected, but not in my Thunderbird Inbox for another 10 minutes. This is happening far too often, so I am contemplating finding another email program which is not so frustrating. </p>",pldhort;,false,false,false,";useragent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/147.0.0.0;tb_version:149.0.2 (64 bit);os:Windows 11",0,0,0,,,
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1577262,2026-04-20 06:36:53 -0700,2026-04-20 06:36:53 -0700,en-US,thunderbird,How to display categories in messages (applied in Thunderbird for Windows),false,,,false,,"",tags,thunderbird;tags;,philippe.bruyere,<p>Hello. How to display categories in messages (applied in Thunderbird for Windows) ? On Thunderbird for windows messages are displayed withe the color of the category. Best regards. </p>,philippe.bruyere;,false,false,false,";useragent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/147.0.0.0;tb_version:18.0;os:Android 16;kb_visits_prior:[""/fr/kb/nouveautes-thunderbird-android-version-8""]",0,0,0,,,
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1577269,2026-04-20 08:05:15 -0700,2026-04-20 08:05:15 -0700,en-US,thunderbird,Emailsicherung auf thunderbird bei wechsel von ewe zur deutschen glasfaser,false,,,false,,"",import-and-export-email,windows-11;thunderbird;import-and-export-email;,pwhanke,"<p>Sicherung der vorhandenen E-mail- ordner mit Inhalt auf Thunderbird, um einen weiteren Zugriff auf diese Emails nach dem Wechsel zu Deutscher Glasfaser zu erhalten </p>",pwhanke;,false,false,false,";useragent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36;tb_version:149.02;os:Windows 11;kb_visits_prior:[""/en-US/kb/switch-pop-imap-account""]",0,0,0,,,
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1577270,2026-04-20 08:16:05 -0700,2026-04-20 08:16:05 -0700,it,thunderbird,NON PARTONO COME SPESSO SEGNALATO LE MAIL DA ALICE.,false,,,false,,"",send-and-receive-email,windows-10;thunderbird;send-and-receive-email;,davide.scorrano,"<p>COME SPESSO ACCADE NON PARTONO LE MAIL DALL'ACCANT DI ALICE DA TIM FUNZIONA, GMAIL FUNZIONA..PREGO VERIFICARE E' METTERE IN FUNZIONE </p>",davide.scorrano;,false,false,false,";useragent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/147.0.0.0;tb_version:NON SO;os:Windows 10",0,0,0,,,
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