Hi /dev/rob0, > On Oct 17, 2017, at 10:26 AM, /dev/rob0 <r...@gmx.co.uk> wrote:
>> As an example case, if I send an e-mail from a Hotmail account to >> an address on my server it then forwards that mail to the user’s >> GMail e-mail address. > > Another example to consider is when spam gets through your lines of > defense, and you forward that spam on to gmail. El Goog thinks > you're the spam source, and they might block you! For the volume of mail that this server processes and the amount of spam that gets forwarded to Google I haven’t run into being blocked outright. Instead I receive an SMTP diagnostic message advising me of being rate limited. Thanks, - J