But if I do that don't some email clients show it as "sent by ....@gmail.co.uk on behalf of .....@mydomain.co.uk". Not the image I was after by having my own domain. I suppose thats to be expected from free hostings. Damn spammers.
I have been having this problem on and off for a number of months now, but it is starting to get more frequent. Emails that I send to hotmail.co.uk accounts are getting rejected (I'm not sure about hotmail.com accounts). The error seems to be reported as "Remote host said: 421 RP-001"
This is...