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Groups > alt.comp.software.thunderbird > #16100

Re: Pasting photos in html emails

Cross-posted to 2 groups.

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On 2025-03-20 23:36, VanguardLH wrote:
> "Alan K." <alan@invalid.com> wrote:
> 
>> When you paste into email, email programs do not handle photos
>> literally.  They translate them into base64 code.  Base64 has the
>> each 8bit byte of the image translated to ascii characters that can
>> be easily sent via email programs.  The problem as you have noticed
>> is the overhead is huge.
> 
> ALL e-mail is sent as text characters.  ALL.  Not some, not most, but
> ALL e-mail is text.  No binary content is allowed at all.  Attachments
> in e-mails are not the original file.  Attachments get encoded
> (transformed) into a MIME part as a long text string, and that encoding
> bloats the original content by 133%, or much more.  Look at the raw
> source of any e-mail with an attachment, like a binary (e.g., image).
> You won't find the binary content anywhere inside the e-mail.  You will
> find MIME parts (content-disposition=attach or inline are hints to the
> e-mail client how to present the attachment) in the body of the message
> where the binary content got encoded into a long text string.  E-mail
> was never designed to be a file transfer venue despite users trying to
> use it that way.

Yes. There are several methods of encoding them, but it is always text. 
I do this when I know the recipient wants to archive the photo, and I 
know they want them in email.

> 
> MIME got added to allow the addition of non-ASCII text in messages
> (i.e., language support), and to allow e-mail to carry non-text content
> as attachments.
> 
> https://datatracker.ietf.org/doc/html/rfc2045
> 
>> One workaround, other than your first find, would be to 'save image
>> as', then attach it to your email.  This would work if you were
>> writing to say: "See my new car" and you attached the image.   Not so
>> well though if  you wanted to disperse images all though the email.
>> I think your plan is the better, as long as the links don't rot.
> 
> Sending just the URL of an image is polite.  The recipient gets to
> decide whether to see the online image or not rather than wasting the
> bandwidth and disk space (in both sender's and recipient's mailboxes on
> their servers and in the clients) to get an e-mail with content they may
> not want.  Including huge attachments could result in consuming a
> recipient's mailbox to its max quota preventing receipt of further
> e-mails until the recipient deletes the bloated e-mail.

Exactly. And for years, my method has done just this. Only recently I 
noticed failures, and instead of the link I got the data.

> 
> However, copying the link to an image in a web page may not always work.
> Some sites dislike direct links to their content, or the URL won't work
> later in a dynamic web page (aka Javascripted).  

Right. But this I notice instantly, the photo does not appear in the 
email I am composing. When in doubt, I look at the draft folder.

> When that happens, you
> may still be able to save the image to a local file, upload to online
> storage, and then give a URL to that location.  Using Javascript events,
> a site can disable right-clicking on an image to prevent saving a local
> copy.  Sites may try to block theft of their content.

The easy way is to capture a screenshot of the photo and paste that. The 
email becomes heavier, so I use that sparely.

-- 
Cheers, Carlos.

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Thread

Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-20 22:00 +0100
  Re: Pasting photos in html emails "Alan K." <alan@invalid.com> - 2025-03-20 17:51 -0400
    Re: Pasting photos in html emails VanguardLH <V@nguard.LH> - 2025-03-20 17:36 -0500
      Re: Pasting photos in html emails bad sector <forgetski@_INVALID.net> - 2025-03-21 06:15 -0400
        Re: Pasting photos in html emails VanguardLH <V@nguard.LH> - 2025-03-21 18:52 -0500
          Re: Pasting photos in html emails bad sector <forgetski@_INVALID.net> - 2025-03-22 22:22 -0400
      Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 12:39 +0100
        Re: Pasting photos in html emails VanguardLH <V@nguard.LH> - 2025-03-21 18:57 -0500
          Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 15:32 +0100
      Re: Pasting photos in html emails Mark Lloyd <not.email@all.invalid> - 2025-03-21 17:08 +0000
        Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 15:34 +0100
      Re: Pasting photos in html emails NFN Smith <worldoff9908@gmail.com> - 2025-03-21 17:05 -0700
  Re: Pasting photos in html emails Andy Burns <usenet@andyburns.uk> - 2025-03-21 06:40 +0000
    Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 12:41 +0100
      Re: Pasting photos in html emails Andy Burns <usenet@andyburns.uk> - 2025-03-21 11:48 +0000
        Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 13:59 +0100
      Re: Pasting photos in html emails Retirednoguilt <HapilyRetired@fakeaddress.com> - 2025-03-21 09:27 -0400
        Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 15:07 +0100
          Re: Pasting photos in html emails Char Jackson <none@none.invalid> - 2025-03-21 11:31 -0500
            Re: Pasting photos in html emails Mark Lloyd <not.email@all.invalid> - 2025-03-21 17:17 +0000
              Re: Pasting photos in html emails Char Jackson <none@none.invalid> - 2025-03-21 15:59 -0500
                Re: Pasting photos in html emails Mark Lloyd <not.email@all.invalid> - 2025-03-22 16:43 +0000
                Re: Pasting photos in html emails Char Jackson <none@none.invalid> - 2025-03-22 16:26 -0500
            Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 15:35 +0100
              Re: Pasting photos in html emails Char Jackson <none@none.invalid> - 2025-03-22 16:40 -0500
                Re: Pasting photos in html emails Mark Lloyd <not.email@all.invalid> - 2025-03-23 19:50 +0000
                Re: Pasting photos in html emails Char Jackson <none@none.invalid> - 2025-03-24 01:36 -0500
                Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-24 11:50 +0100
                Re: Pasting photos in html emails Mark Lloyd <not.email@all.invalid> - 2025-03-24 18:32 +0000
        Re: Pasting photos in html emails Newyana2 <newyana@invalid.nospam> - 2025-03-21 11:33 -0400
          Re: Pasting photos in html emails Mark Lloyd <not.email@all.invalid> - 2025-03-21 17:24 +0000
            Re: Pasting photos in html emails Mark Lloyd <not.email@all.invalid> - 2025-03-22 16:47 +0000
              Re: Pasting photos in html emails Newyana2 <newyana@invalid.nospam> - 2025-03-22 13:31 -0400
              Re: Pasting photos in html emails Char Jackson <none@none.invalid> - 2025-03-22 16:10 -0500
                Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 23:50 +0100
  Re: Pasting photos in html emails Newyana2 <newyana@invalid.nospam> - 2025-03-21 08:17 -0400
    Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-21 15:12 +0100
      Re: Pasting photos in html emails Newyana2 <newyana@invalid.nospam> - 2025-03-21 11:30 -0400
        Re: Pasting photos in html emails "Carlos E.R." <robin_listas@es.invalid> - 2025-03-22 15:40 +0100
  Re: Pasting photos in html emails "Carlos E. R." <robin_listas@es.invalid> - 2025-05-27 14:32 +0200
    Re: Pasting photos in html emails knuttle <keith_nuttle@yahoo.com> - 2025-05-27 09:34 -0400
      Re: Pasting photos in html emails "Carlos E. R." <robin_listas@es.invalid> - 2025-05-27 16:07 +0200

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