I, a pre-baby-boomer, am one of the least expert
persons in this chatgroup on this matter. However here are some thoughts.
Individual circumstances will vary, between home and work
systems, and email programs.
If you send a graphic as a separate file, it will go
through at the original size of the file. Controlling the size of the overall
message is a matter of the sender first creating a file of the appropriate size.
If you incorporate in the text, other factors come into play.
I think that incorporating the graphic in the text is often
better, more convenient anyway.
I use Office Outlook. I can read the size of a message
in 2 ways, either in the list panel, or after opening the message under ‘Properties’.
These readings are usually different for in-text graphics. Under the
first, Julian’s ‘Coastal Birds’ message was 315kb, and under
the second 240kb. Evidently Anthony saved or manipulated the derived
graphic before reincorporating it, creating a larger file. On the first
read, his message was 924kb, and under the second 683kb. [I am
unable to comment on the reason for the multiple sendings.]
Here are 2 suggestions, apart from the obvious starting with
a file of the appropriate size. First, if you are incorporating in the
text, try reducing the space occupied by the graphic in the message. I
just reduced Julian’s message to 40kb by doing this. Secondly, if
you are in any doubt about the size of a message, try sending it to yourself
first.
