# \#documentation

**URL:** https://forum.delta.chat/tag/documentation/15.md

[Latest](https://forum.delta.chat/latest.md) · [Categories](https://forum.delta.chat/categories.md) · [Tags](https://forum.delta.chat/tags.md)

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## [Collecting a list of all public broadcast channels](https://forum.delta.chat/t/collecting-a-list-of-all-public-broadcast-channels/5427)

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**Author:** [@ian](https://forum.delta.chat/u/ian)\
**Replies:** 9\
**Last updated:** [October 18, 2026, 11:09am UTC](https://forum.delta.chat/t/collecting-a-list-of-all-public-broadcast-channels/5427 "2026-10-18T11:09:49Z")

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Let’s gather a link to each channel you would recommend to a new Delta Chat user so that their timeline won’t be empty anymore! Please only share links to channels that are legal, appropriate for all ages and whose owner…

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## [Website overhaul \[should drop outdated look\]](https://forum.delta.chat/t/website-overhaul-should-drop-outdated-look/5174)

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**Author:** [@mray](https://forum.delta.chat/u/mray)\
**Replies:** 35\
**Last updated:** [October 6, 2026, 6:27pm UTC](https://forum.delta.chat/t/website-overhaul-should-drop-outdated-look/5174 "2026-10-06T18:27:24Z")

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Is there an ongoing effort to update the website - other than maintenance? I really do appreciate its simplicity, but it’s kind of lazy and really has room for improvement. DeltaChat copies modern messengers UI and appe…

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## [A Delta Chat channel](https://forum.delta.chat/t/a-delta-chat-channel/5840)

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**Author:** [@ploum](https://forum.delta.chat/u/ploum)\
**Replies:** 2\
**Last updated:** [September 30, 2026, 10:25am UTC](https://forum.delta.chat/t/a-delta-chat-channel/5840 "2026-09-30T10:25:39Z")

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I thought it was obvious to have one but could not find one. So I suggest to create an official Delta Chat channel where we could be informed of news releases/blog posts, etc. If it exists, may I suggest to put it more…

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## [Anti-censor relays distribution](https://forum.delta.chat/t/anti-censor-relays-distribution/5825)

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**Author:** [@dust](https://forum.delta.chat/u/dust)\
**Replies:** 1\
**Last updated:** [September 24, 2026, 1:57pm UTC](https://forum.delta.chat/t/anti-censor-relays-distribution/5825 "2026-09-24T13:57:59Z")

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I just find out there are plans to make some virus-like system of relays propagation - client apps will make a list of relays they see used by other users and will use them to create relay accounts. Also there is some n…

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## [% (percent sign) in the search term - a bug? \[should explain to user, support escaping, same for \_\]](https://forum.delta.chat/t/percent-sign-in-the-search-term-a-bug-should-explain-to-user-support-escaping-same-for/5808)

<div class="topic-metadata">

**Author:** [@dust](https://forum.delta.chat/u/dust)\
**Replies:** 3\
**Last updated:** [September 24, 2026, 12:22pm UTC](https://forum.delta.chat/t/percent-sign-in-the-search-term-a-bug-should-explain-to-user-support-escaping-same-for/5808 "2026-09-24T12:22:02Z")

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When using search in DC app, I enter a couple of letters, like ‘abc’, and there are some number of results, let’s say 50. Then I add % in the middle (‘ab%c’), and numbers of results is much higher, like 200. When I add …

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## [Need explanation of invite URI parameters](https://forum.delta.chat/t/need-explanation-of-invite-uri-parameters/5727)

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**Author:** [@memseeker](https://forum.delta.chat/u/memseeker)\
**Replies:** 2\
**Last updated:** [August 31, 2026, 5:10pm UTC](https://forum.delta.chat/t/need-explanation-of-invite-uri-parameters/5727 "2026-08-31T17:10:17Z")

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As a newcomer to the Chatmail world I’m interested in an explanation of all possible parameters a Chatmail URI can include. Sharing the invite code for my own profile as link I see The URI consists of the following part…

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## [Request for packaging a WebXDC developer tutorial and reference materials](https://forum.delta.chat/t/request-for-packaging-a-webxdc-developer-tutorial-and-reference-materials/4851)

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**Author:** [@ian](https://forum.delta.chat/u/ian)\
**Replies:** 14\
**Last updated:** [August 18, 2026, 9:32pm UTC](https://forum.delta.chat/t/request-for-packaging-a-webxdc-developer-tutorial-and-reference-materials/4851 "2026-08-18T21:32:41Z")

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Goals Being exhaustive is not a goal, so it is acceptable to skip parts which are more advanced or not needed for contributing to and creating simple webxdc apps. Maintenance To ensure long term maintainability, it ough…

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## [Is there a protocol spec?](https://forum.delta.chat/t/is-there-a-protocol-spec/5637)

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**Author:** [@Joshua](https://forum.delta.chat/u/Joshua)\
**Replies:** 2\
**Last updated:** [August 13, 2026, 7:37am UTC](https://forum.delta.chat/t/is-there-a-protocol-spec/5637 "2026-08-13T07:37:46Z")

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Is there something like a protocol spec that defines how messages have to look like, how imap is utilized and how this relates to available features? I know that under the hood normal encrypted mails are used (or at leas…

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## [Other open standards -- link gone?](https://forum.delta.chat/t/other-open-standards-link-gone/5580)

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**Author:** [@Minim](https://forum.delta.chat/u/Minim)\
**Replies:** 2\
**Last updated:** [July 26, 2026, 9:05am UTC](https://forum.delta.chat/t/other-open-standards-link-gone/5580 "2026-07-26T09:05:39Z")

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The “Standards” section of https://cosmos.delta.chat/ no longer links to Apologies if this was discussed and done intentionally for reasons and I have missed seeing both. The contents of that link, especially the Cha…

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## [Deliver messages via HTTPS (filtermail-transport)](https://forum.delta.chat/t/deliver-messages-via-https-filtermail-transport/5282)

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**Author:** [@bestman](https://forum.delta.chat/u/bestman)\
**Replies:** 3\
**Last updated:** [July 12, 2026, 11:51am UTC](https://forum.delta.chat/t/deliver-messages-via-https-filtermail-transport/5282 "2026-07-12T11:51:15Z")

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I’m looking at the latest update, but I’m still unclear on the “Introduce filtermail-transport for delivering messages via HTTPS (SMTP stays as fallback)” scheme. So, does this mean we’re using Nginx on port 443? I’m als…

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## [Telegram channels in Delta chat \[link with relay bot\]](https://forum.delta.chat/t/telegram-channels-in-delta-chat-link-with-relay-bot/4775)

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**Author:** [@Feryos](https://forum.delta.chat/u/Feryos)\
**Replies:** 6\
**Last updated:** [July 7, 2026, 6:50pm UTC](https://forum.delta.chat/t/telegram-channels-in-delta-chat-link-with-relay-bot/4775 "2026-07-07T18:50:46Z")

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Hello! Could you please explain how to link Telegram channels with Delta Chat? I’ve seen in some posts here that a bot is required, but the whole process looks quite complicated for someone who isn’t very familiar with t…

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## [The invitation-webpages should be translated to more languages](https://forum.delta.chat/t/the-invitation-webpages-should-be-translated-to-more-languages/5181)

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**Author:** [@1423425](https://forum.delta.chat/u/1423425)\
**Replies:** 7\
**Last updated:** [June 23, 2026, 7:18am UTC](https://forum.delta.chat/t/the-invitation-webpages-should-be-translated-to-more-languages/5181 "2026-06-23T07:18:41Z")

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Currently, https://i.delta.chat/ and, more importantly, the invitation-link-webpages like https://i.delta.chat/#n=誰か are always in English, which is not understandable for most people; especially for people who learned a…

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## [DeltaChat collage art with dinosaurus - what's the story?](https://forum.delta.chat/t/deltachat-collage-art-with-dinosaurus-whats-the-story/4020)

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**Author:** [@9er](https://forum.delta.chat/u/9er)\
**Replies:** 2\
**Last updated:** [June 16, 2026, 8:51pm UTC](https://forum.delta.chat/t/deltachat-collage-art-with-dinosaurus-whats-the-story/4020 "2026-06-16T20:51:35Z")

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Just found full picture on https://testrun.org Part of it is present on web page of every stock chatmail server installation. Dinosaurus is (probably) Deltadromeus (fast runner with Delta in the name). What are the st…

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## [How do I install Delta Chat on a VPS? 📡 \[chatmail relay with a single click\]](https://forum.delta.chat/t/how-do-i-install-delta-chat-on-a-vps-chatmail-relay-with-a-single-click/5388)

<div class="topic-metadata">

**Author:** [@jerry](https://forum.delta.chat/u/jerry)\
**Replies:** 8\
**Last updated:** [June 9, 2026, 3:05pm UTC](https://forum.delta.chat/t/how-do-i-install-delta-chat-on-a-vps-chatmail-relay-with-a-single-click/5388 "2026-06-09T15:05:46Z")

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Hello everyone :waving\_hand: Could you please tell me how to install Delta Chat on a VPS? I have a few questions and would be grateful for your help.:raising\_hands::folded\_hands: Is there a one-click installation scr…

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## [Invite link - reset \[different one produced on each click\]](https://forum.delta.chat/t/invite-link-reset-different-one-produced-on-each-click/4786)

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**Author:** [@ded](https://forum.delta.chat/u/ded)\
**Replies:** 5\
**Last updated:** [May 28, 2026, 8:52pm UTC](https://forum.delta.chat/t/invite-link-reset-different-one-produced-on-each-click/4786 "2026-05-28T20:52:37Z")

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Every time I click “link” to share my invite link, the link is different - it’s reset automatically. I do not reset the link manually. Besides that the old links allow to add me. Is it a bug or is it a feature? :wink: …

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## [Is Delta Chat really free? \[vs. fake scam messaging apps\]](https://forum.delta.chat/t/is-delta-chat-really-free-vs-fake-scam-messaging-apps/5310)

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**Author:** [@PlanchettePhantom](https://forum.delta.chat/u/PlanchettePhantom)\
**Replies:** 2\
**Last updated:** [May 27, 2026, 11:28am UTC](https://forum.delta.chat/t/is-delta-chat-really-free-vs-fake-scam-messaging-apps/5310 "2026-05-27T11:28:48Z")

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I just want to know if I can use features like calling and sending pictures for free. It sounds like a ridiculous question, but I once downloaded a similar app that wanted me to pay for certain basic features. Delta Cha…

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## [List of groups to join?](https://forum.delta.chat/t/list-of-groups-to-join/3800)

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**Author:** [@Spl0itable](https://forum.delta.chat/u/Spl0itable)\
**Replies:** 6\
**Last updated:** [May 24, 2026, 5:57am UTC](https://forum.delta.chat/t/list-of-groups-to-join/3800 "2026-05-24T05:57:59Z")

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Are there any available lists that have the invite links or QR codes for groups of different topics, etc? Thanks

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## [Sharing Delta Chat contact using voice or pen and paper](https://forum.delta.chat/t/sharing-delta-chat-contact-using-voice-or-pen-and-paper/5125)

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**Author:** [@u5w0e2l56](https://forum.delta.chat/u/u5w0e2l56)\
**Replies:** 4\
**Last updated:** [May 3, 2026, 2:20pm UTC](https://forum.delta.chat/t/sharing-delta-chat-contact-using-voice-or-pen-and-paper/5125 "2026-05-03T14:20:03Z")

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I haven’t found a way to just tell someone my Delta handle (because apparently, there is no such thing), they way I would an e-mail address or a phone number - e.g. on the phone, or in person, if they don’t have their sm…

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## [Document the minimum requirements necessary for chatmail interoperability](https://forum.delta.chat/t/document-the-minimum-requirements-necessary-for-chatmail-interoperability/4853)

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**Author:** [@seifferth](https://forum.delta.chat/u/seifferth)\
**Replies:** 13\
**Last updated:** [April 21, 2026, 6:57pm UTC](https://forum.delta.chat/t/document-the-minimum-requirements-necessary-for-chatmail-interoperability/4853 "2026-04-21T18:57:44Z")

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I am currently working on Delta Chat interoperability for bower/notmuch ( GitHub - wangp/bower: A curses terminal client for the Notmuch email system · GitHub , https://notmuchmail.org). My goal is to support enough of t…

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## [Deltachat Beginners Video on Youtube](https://forum.delta.chat/t/deltachat-beginners-video-on-youtube/5086)

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**Author:** [@lgil310y3](https://forum.delta.chat/u/lgil310y3)\
**Replies:** 2\
**Last updated:** [April 20, 2026, 9:04pm UTC](https://forum.delta.chat/t/deltachat-beginners-video-on-youtube/5086 "2026-04-20T21:04:53Z")

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YouTube Deltachat beginner Video Hi maybe interesting for you my first YouTube Video

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## [Invite URL questions \[delete name, shorten, nick-based discovery, business card\]](https://forum.delta.chat/t/invite-url-questions-delete-name-shorten-nick-based-discovery-business-card/4966)

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**Author:** [@DeltaUser23](https://forum.delta.chat/u/DeltaUser23)\
**Replies:** 4\
**Last updated:** [April 17, 2026, 8:54am UTC](https://forum.delta.chat/t/invite-url-questions-delete-name-shorten-nick-based-discovery-business-card/4966 "2026-04-17T08:54:00Z")

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Hello all, I am a new Delta Chat user and it fits my needs in so many ways, but I will list them another day. Question 1: When I make an invite code it put my name at the end of it. Is this required? Can I cut that of…

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## [Creating a Delta Chat bot \[up-to-date documentation\]](https://forum.delta.chat/t/creating-a-delta-chat-bot-up-to-date-documentation/4123)

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**Author:** [@DELTA\_MAFIA](https://forum.delta.chat/u/DELTA_MAFIA)\
**Replies:** 3\
**Last updated:** [April 15, 2026, 9:23pm UTC](https://forum.delta.chat/t/creating-a-delta-chat-bot-up-to-date-documentation/4123 "2026-04-15T21:23:07Z")

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I want to deploy my own bot on a server and then develop various commands for it. My question is: where can I find up-to-date documentation on creating a bot? When following links from the official site to GitHub and els…

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## [Request to package offline user documentation](https://forum.delta.chat/t/request-to-package-offline-user-documentation/4886)

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**Author:** [@ian](https://forum.delta.chat/u/ian)\
**Replies:** 0\
**Last updated:** [March 12, 2026, 8:03am UTC](https://forum.delta.chat/t/request-to-package-offline-user-documentation/4886 "2026-03-12T08:03:42Z")

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Goals The FAQ has already been bundled with the DC client under the Settings → Help menu. It would be beneficial to include further docs to help a user troubleshoot more issues. It could be either bundled in the DC clie…

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## [Add to chatmail relays list](https://forum.delta.chat/t/add-to-chatmail-relays-list/5030)

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**Author:** [@gowther](https://forum.delta.chat/u/gowther)\
**Replies:** 1\
**Last updated:** [April 14, 2026, 4:51pm UTC](https://forum.delta.chat/t/add-to-chatmail-relays-list/5030 "2026-04-14T16:51:24Z")

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Hi, how do I get my server listed on the public chatmail relays list ?

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## [Label for apps which use realtime chat](https://forum.delta.chat/t/label-for-apps-which-use-realtime-chat/3484)

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**Author:** [@peppa](https://forum.delta.chat/u/peppa)\
**Replies:** 5\
**Last updated:** [March 23, 2026, 11:17am UTC](https://forum.delta.chat/t/label-for-apps-which-use-realtime-chat/3484 "2026-03-23T11:17:19Z")

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I suggest adding a label to apps in the xstore which use P2P realtime chat so that users who want to avoid this or who have realtime chat disabled can easily identify which apps will or won’t work for them and not waste …

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## [Name (and describe) the Header Confidentiality Policy used by Delta Chat \[RFC 9788\]](https://forum.delta.chat/t/name-and-describe-the-header-confidentiality-policy-used-by-delta-chat-rfc-9788/4927)

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**Author:** [@seifferth](https://forum.delta.chat/u/seifferth)\
**Replies:** 2\
**Last updated:** [March 22, 2026, 5:04am UTC](https://forum.delta.chat/t/name-and-describe-the-header-confidentiality-policy-used-by-delta-chat-rfc-9788/4927 "2026-03-22T05:04:07Z")

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RFC 9788 “Header Protection for Cryptographically Protected Email” includes the following statement: The authors of this document hope that implementers with deployment experience will document their chosen HCP and the…

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## [Delta Chat promo video \[request for transcript ideas\]](https://forum.delta.chat/t/delta-chat-promo-video-request-for-transcript-ideas/4922)

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**Author:** [@mikelgs](https://forum.delta.chat/u/mikelgs)\
**Replies:** 2\
**Last updated:** [March 18, 2026, 4:19pm UTC](https://forum.delta.chat/t/delta-chat-promo-video-request-for-transcript-ideas/4922 "2026-03-18T16:19:42Z")

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Is there any oficial video for promoting Delta Chat? I only found this: DeltaChat - PeerTube (xy-space) but it seems to be old, even not accurated about the current DC aproach (too much referring to classic email). We mi…

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## [Some proposals to fine tuning \[1. voice message icon to the right, 6. more provider info\]](https://forum.delta.chat/t/some-proposals-to-fine-tuning-1-voice-message-icon-to-the-right-6-more-provider-info/4885)

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**Author:** [@Lightern8](https://forum.delta.chat/u/Lightern8)\
**Replies:** 1\
**Last updated:** [March 12, 2026, 1:52am UTC](https://forum.delta.chat/t/some-proposals-to-fine-tuning-1-voice-message-icon-to-the-right-6-more-provider-info/4885 "2026-03-12T01:52:37Z")

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Please, move “Voice message” icon to the right, as in TG/WA, this is expected behavior. Auto clean email account from received messages option. Vary email subject to avoid government and antispam filters, just generate …

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## [Do you agree that text randomized by a chatbot should be banned from this forum?](https://forum.delta.chat/t/do-you-agree-that-text-randomized-by-a-chatbot-should-be-banned-from-this-forum/4811)

<div class="topic-metadata">

**Author:** [@ian](https://forum.delta.chat/u/ian)\
**Replies:** 4\
**Last updated:** [February 28, 2026, 8:53am UTC](https://forum.delta.chat/t/do-you-agree-that-text-randomized-by-a-chatbot-should-be-banned-from-this-forum/4811 "2026-02-28T08:53:31Z")

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All it does is inflating an originally 5-line question into 5 pages while making the question more vague and wastes time of anyone who is reading it. I don’t see it happen often, but I’ve just encountered a topic like t…

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## [Why I receive \[...\] in gmail when I send or delete email](https://forum.delta.chat/t/why-i-receive-in-gmail-when-i-send-or-delete-email/4810)

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**Author:** [@Paul75](https://forum.delta.chat/u/Paul75)\
**Replies:** 3\
**Last updated:** [February 27, 2026, 4:51pm UTC](https://forum.delta.chat/t/why-i-receive-in-gmail-when-i-send-or-delete-email/4810 "2026-02-27T16:51:28Z")

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Hello When i receive email gmail for exemple and after I delete it I receive in other application using gmail account and email send by me to me with object \[…\] ? Thanks

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