Quote:
Originally Posted by Toto
On the ntl network the sender email address and the reply-to address MUST be the same.
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They aren't in my case....I just relay through smtp.ntlworld.com. Reply address is sometimes my @ntworld.com email address, sometimes a @bigfoot.com address and sometimes something else. It helps as I tend to use different email adddresses depending on what I am doing, posting to forums, internet shopping, personal email, etc. Helps reduce the amount of spam.....
When ever I saw a 550 - it was due to sending mail directly from my PC and not through smtp.ntlworld.com. Some receivers look to see if the IP address that is trying to send is from a dynamic DHCP pool, if it is they can block the request.