Hi   When my child's daycare sends me an email with a PDF attachment of our statement of account, it is rejected with the following error message:   The following recipient(s) could not be reached: **********@tpg.com.au    Error Type: SMTP    Remote server (27.32.32.10) issued an error.    hMailServer sent: DATA    Remote server replied: 550 #5.7.1 SPF unauthorized mail is prohibited.     I have been receiving the emails/statements correctly for two years, but since about December last year I haven't been receiving them.  I receive all other emails from their email address, it just seems it is the statement emails that aren't coming through. Is there anything that I can do to fix this, or is this an issue at their end? Thanks for your help! ... View more