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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Chat’ Category

Anyone tried #Telegram to communicate securely?

Posted by jpluimers on 2021/01/22

Below are a few comments from [WayBack] Anyone tried #Telegram to communicate securely? Some nice features there… Looks way more secure than WeChat and all that. Thoughts? https://telegram…. – Jason Mayes – Google+.

The consensus seems to be

  • Signal is the way to go for secure chat. It is open source too.
  • When chatting with groups of people, there is technical security, but not social security.
  • Telegram is easier to use than some other chat platforms, and has a large user base.

The comments:

  • Ryan Ostendorf's profile photo
    Telegram is pretty nice, but its security leaves much to be desired. If it’s security and true privacy you want, Signal is the way to go.
  • M.A. Zaki's profile photo
    Hi+Ryan Ostendorf signal is indeed a way to go but didn’t have big users number compared to Telegram.
  • Wayne Harris's profile photo

    I use telegram, discord, slack & hangouts for variousn groups i talk with. Of those, telegeam is my preferred for ease of use etc. One thing i would like to see is a “index” of groups to maybe easier prioritise what i want to read (a-la how discord wokrs with its different servers) but im so used to the flat style of telegram/hangouts that i dont have a huge issue with its current design

    Re security, im not an expert, but it seems ok, with multuple options available. Havent heard of anything being intercepted/hacked, but who really know what our alien overlords – err governments – and other interested parties are up to behind the scenes.

  • oon arfiandwi (OonID)'s profile photo
    I use telegram more than whatsapp. I found many technical group discussion (at least for Indonesian) because telegram supports a huge amount of members per group.
    also, the telegram bot and channel give a unique feature for a developer to build an application on top of it.
  • Jason Mayes's profile photo
    +Ryan Ostendorf oooh thanks I shall check it out
  • Jason Mayes's profile photo
    Thanks everyone for feedback!
  • Leo Turing's profile photo
    I am using Telegram for 5 years now. Far faster and better than WhatsApp in many ways.
  • Christopher Gaul's profile photo

    It’s security level depends on who you ask. If you take their word at face value it’s great. If you believe the rumors it’s totally bent by U.S. surveillance agencies.

    Feature wise it’s decent otherwise.

    A few of us are on the hunt for a good, secure, multi platform messaging platform to replace Hangouts when they kill that. We’ve narrowed it down to a few that we’re testing.

    Signal was good until they killed their linux and browser clients.

    Retroshare is on the to test list along with…



  • epsi nurwijayadi's profile photo

    I have been a telegram user since october 2017.

    And I wonder, how do telegram make profit.

    Who is paying for the server to be alive ?

  • Christopher Gaul's profile photo
    Side note. You can just assume that any product based out of the U.S. or any Five Eyes country is not secure. I wouldn’t trust anything EU based either. What’s that leave you?
  • Christopher Gaul's profile photo
    +epsi nurwijayadi
    The NSA no doubt is footing the bills.
  • x Meta x's profile photo
    For dependable privacy, I use two cans and a string.
  • Jason Mayes's profile photo
    +x Meta x I can use a laser pointed at your string to measure the sound being transferred over it though
  • x Meta x's profile photo

    +Jason Mayes …..

    …. Curses! Foiled again!

  • Wayne Harris's profile photo
    I use the postal service. Nobody sends anything via that these days other than birthday cards from Nanna’s, so my most private missives go conpletely un-noticed by the authorities
  • epsi nurwijayadi's profile photo
  • Jason ON's profile photo
    I downloaded Telegram yesterday, in fact. Haven’t had a chance to try it out yet as I don’t know anyone using it. I had thought it would be more like BBM, with public groups in a social media-lite feature, but it’s not.
  • M.A. Zaki's profile photo
    +Jason ON telegram got more than that. The setting let you do much more.
  • epsi nurwijayadi's profile photo
    I remember getting very happy, when I got telegram from my father when I was a kid in about 80s. He had duty in other island faraway from home.
  • Willem Oosting's profile photo

    +Jason Mayes Check out they strike a sweet balance between Wire-like security (encrypted group chats), and Telegram-like usability/looks. And I thought it’s FOSS!


  • Robert Wallis's profile photo

    Telegram has a very tempting feature set for a “messaging” service.

    I have recently started using it. Top reasons I like it so far are the ability to add a username, which means I can be available without giving people my phone number.

    My URL 👉

    Also the ability to have branded public broadcast channels is different. I’ve set one up for London Meet-ups for +Happening London the URL for that is here 👉

    Any public post cam be embedded, so I’m surfacing the next meet-up on the +Happening London web site too 👉

    Those feature (and others) make Telegram interesting.

  • Christopher Gaul's profile photo

    +Robert Wallis I agree. With the caveat that this is as long as you aren’t expecting 100% guaranteed secure communications.

    Of course the question of whether such a thing even exists is valid. But in Telegram’s case, at least expect your local Five Eyes government surveillance state to be “reading” them.

  • Jonas Hellström (shellström)'s profile photo
    I’m giving Matrix/Synapse and a whirl.
    Mostly because I can selfhost it, and it’s got some good things going for it, like encrypted convos.
    They still got a mile or two on their clients and that’s where I’m holding off on inviting everyone and their dogs until there’s something that can be used by more people without becoming a troubleshooting nightmare/”this isn’t as easy as whatsapp. Can’t we use messenger instead?” kind of deal.

    Riot – Riot – open team collaboration

    Riot – Riot – open team collaboration
  • Robert Wallis's profile photo

    +Christopher Gaul yeah, but where aren’t they?

    As far as I understand Telegram has been validated for “secret chats” between two users, where security models are more easily implemented, but for groups of up to 200,00 that’s never going to be “secret” just hidden, and public broadcast channels are … well public.


Posted in Chat, LifeHacker, Power User, Security, SocialMedia, Telegram | Leave a Comment »

The messenger – Delta Chat – Email Based Instant Messenger; based on IMAP push

Posted by jpluimers on 2021/01/18

[WayBack] The messenger – Delta Chat: Delta Chat – Email Based Instant Messenger

From the FAQ at [WayBack] Help – Delta Chat:

What are the advantages of Delta Chat compared to other messengers?

  • Independent of any company or services. You own your data.
  • Your data are not saved on a central server; this way, in contrast to most other messengers, Delta Chat even protects your metadata (who writes to whom?)
  • You do not distribute your address book to anyone.
  • Fast by the use of Push-IMAP
  • Largest userbase – receivers not using Delta Chat can be reached as well
  • Compatible – not only to itself
  • Elegant and simple user interface
  • Distributed system
  • No Spam – only messages of known users are shown by default
  • Reliable – safe for professional use
  • Trustworthy – can even be used for business messages
  • fully Open Source and Standards based

What if the receiver does not use Delta Chat?

  • The receiver will get a normal email then – if he replies to it, you will see the reply in the Delta Chat app.

Releases: [WayBack] DeltaChat multi-platform releases rolling … – Delta Chat

Repositories via [WayBack] Contribute – Delta Chat:



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On my research list: ZNC – advanced IRC bouncer

Posted by jpluimers on 2018/09/28

ZNC, an advanced IRC bouncer that is left connected so an IRC client can disconnect/reconnect without losing the chat session. Feel free to update pages which you think are improvable and don’t hesitate to ask for help.

Overview network scheme.png

You can find us in #znc on freenode.

Source: [WayBackZNC



Posted in Chat, IRC, Power User, SocialMedia | Leave a Comment »

IRC Private Messages – /msg, /invite, /query, Internet Relay Chat

Posted by jpluimers on 2018/08/27

I’m from the BITNET RELAY era, so every now and then I need to get used to how things are done on IRC:

[WayBack] IRC Private Messages – /msg, /invite, /query, Internet Relay Chat

Summarised in my own words:

  • /msg nick single private message
  • /query nick private channel


Some of my BITNET history: xyzzy, Relay Conferencing before IRC even existed « The Wiert Corner – irregular stream of stuff

Posted in BITNET Relay, Chat, IRC, Power User, SocialMedia | Leave a Comment »

“You would make for a great computer programmer”

Posted by jpluimers on 2017/10/20

A while ago, Joe C. Hecht mentioned for the second time about his family joke along the lines that he had bad grades at school despite being good at the topics. He got tested which resulted in “You would make for a great computer programmer”.

I wonder how this happened with other people in the IT. Did you get yourself a degree in that direction, or teach yourself programming and such?

The reason is that I recognise what Joe wrote: I’m still a bad learner from books or theory as I learn by doing. I specifically didn’t try to get a Computer Science degree as in the late 1980s in The Netherlands it basically was a heavy math degree plus Computer Science topics. So it was basically doing two studies at once and I was only interested in the Computer Science parts.

So I chose studying Chemistry (one of the science topics I really liked at high school) at the closest university to my home so I kept living with my parents.

In 20-20 hindsight this was not the right choice. But at that time I didn’t know about the right choice.

In about 4 years, I finished like 2.5 years of studying, was a geek-prototype (good at computers, bad at people skills) and still did a lot of Computer Science topics (even though the exams would be worthless as back then individual exams didn’t count unless they were part of the main direction of your study). The last year was prepping for practice and advanced topics. I slowly attended less and less sessions and did more and more programming gigs as somehow that was way more fun before slowly bailing out. I also sold network equipment to the university department helping them to connect to the internet and helped a lot of co-students with their computing issues and assignments, learned my way in DOS/3com/Novell/EARN/BITNET/DECNet/SunOS and VAX/VMS based technologies.

I only found out why I bailed out more than a decade later: I was a pragmatic guy learning by doing, not suited for a university that tried educating theorists. Besides that the department I wanted to finish my studies has two four camps: a very theoretic camp (with nice guys: they were the ones wanting internet access very early on), two less theoretic camps fighting each other and a lazy camp filling their days basically with doing as little as possible. A very unproductive and depressing situation. I had worked at the research labs of the paint factory doing research close to my studies, but there was no way the university would allow me to do my research phase there. Even more depressing.

Now (as always, hindsight is 20/20 vision) I know I should have bailed out early on and go for a more pragmatic study maybe not even a university but a polytechnic. On the other hand it helped doing a truckload of Turbo Pascal work (which I started at High School with Turbo Pascal 1 on CP/M with Apple ][+ and //e machines), programming in assembler/prolog/FORTRAN/C, getting connected to the internet (BITNET RELAY chat, mailing lists, early newsgroups, uucp, TCP/IP basics, thick/thin ethernet converters, serial and modem communication with Kermit and FidoNET, gopher, FTP and truckloads more stuff).

It got me into the Delphi, .NET and open source worlds, doing a lot of travel and conference speaking and being an early adopter of many technologies and concepts (some even so early that they only got way popular decades later – like the 1980s “the network is the computer” mantra – or making sense – like the lock semantics topics really became useful when around the century turn  single processor machines got multi-processor siblings and a lustrum later multi-core and multi-threading processors became available and ubiquitous around 2010) and taught me that being able to search and find things is way more important than knowing things.

So I wonder about all my followers:

How did your education go and how did you end up in computing?


References via Joe C. Hecht:

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Posted in About, BBS, BITNET Relay, Chat, FidoNet, History, Opinions, Personal, SocialMedia | Leave a Comment »

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