On Thu, 7 May 2020, 17:50 Henry Merrett, <henry.merr...@serverchoice.com> wrote:
> +1 - I clearly remember it being considered good manners to allow public > relay through your SMTP server. > When I was an undergrad at university I discovered the % method of relaying mails through other servers. We used to have competitions to have the maximum time taken for an email to come back, ideally sending email via as many countries as possible. I think the longest was over a day.
