After nearly a decade of working together, T & I are entering into the digital age and he's sending me his invoices via email.

I am finding myself getting a bit peeved about his sign off and the stiff formality of it. So I'm asking how do your T's do it?

I found this blog and found it amusing. TBH I would be fine with 'Best wishes', there's a bit of warmth to it without being inappropriate. I did get BW once but since then he has been signing off with 'Regards', which frankly, feels like... .

https://girlintherapy.wordpress.com/...-their-emails/