On Fri, Jul 06, 2018 at 07:09:13AM +0100, Lee Jones wrote:

[snip]
'

page trying to find your response was a little painful.  TIA.

Acronyms can be confusing for non native english speakers like me.
Luckily we have the internet =)

https://www.acronymfinder.com/Slang/TIA.html

From these options I would go for:

"This Is Awkward" or "That Is Alright" - depending on my mood =] Or
maybe it was "Today I Ate"?

--Matti