On 26 Jan 2017, at 21:12, Thomas Nyman wrote:
I’m having some difficulties creating a signature with an inline
image.
I understand that I need to use img src=’cid:id’
That's true in the sense that this is probably what works best most of
the time if the goal is to have the image displayed as often as
possible.
I have generated a base64 code for my image.
That would be taken care of by MailMate since this happens for all image
attachments. The problem is that MailMate does not provide any way to
automatically add an image to all outgoing messages. I'm also not sure
many email clients do provide that (but I don't really know). The image
should also be added differently than normal attachments (technically,
it should used `multipart/related` instead of `multipart/mixed`).
With regard to `base64` you are probably thinking of `data:` URIs, but
these don't work well in general. Here's a good
[reference](https://www.campaignmonitor.com/blog/email-marketing/2013/02/embedded-images-in-html-email/)
on the subject of embedding images in emails.
I have also made other needs html code. However I can’t figure out
how to use the Content-ID to reference the source for the image.
I’m hoping someone could possibly give me a helping hand.
I'm afraid there are no good options and the “best” option is not
supported by MailMate (`multipart/related` mentioned above). Personally,
I'm not a fan of embedded images, because it's a somewhat silly waste of
space. Images take up much more space than text and they are going to be
in every email going forward and back taking up space on both servers
and personal computers.
Therefore, if you must have an image in your signature then put an image
on a server and link to it using `https:`. Some email clients are going
to block it by default, but the other options are not going to work much
better. It might also be a benefit that grumpy email client users like
me can then still use disk space for something else than signatures :)
I hope that wasn't too negative. I don't use HTML signatures, but I
implemented them because it was required by quote of lot of employers of
MailMate users -- it was simply beyond their control. I could possibly
also be talked into supporting `multipart/related` images for
signatures, but it would have to be for a similar reason.
--
Benny
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