Hi,   I have the same problem with an auto forwarder often failing.  The last message was   This is the mail system at host gateway22.websitewelcome.com.   I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.   For further assistance, please send mail to postmaster.   If you do so, please include this problem report. You can delete your own text from the attached returned message.   The mail system   <gmckay01@tpg.com.au>: host asav.tpg.com.au[27.32.32.10] said: 550 #5.7.1 SPF unauthorized mail is prohibited. (in reply to DATA command)     Please help as this is a common problem that mail is not getting through, eg emails from Coles.   Garry gmckay01@tpg.com.au   ... View more