Wildcard configured emails allow spammers to deliver mail? (SPF: "softfail")

view full story

http://serverfault.com – I have a Google Apps account set up for one of my domains. Wildcard email delivery is enabled on this domain for all emails (ie. [email protected] passes emails along to [email protected]), and the records related to email delivery are configured as follows (to the best of my knowledge, configured to Google's recommendations): MX: ASPMX.L.GOOGLE.COM with priority 10 TXT: v=spf1 include:_spf.google.com ~all TXT: v=DKIM1; k=rsa; p=xxxxxxxxxxxxxxxxxxxxxxxxx Recently, however, I have begun to receive an increased number of bounces/"out of office" emails from people who are apparently being s (HowTos)