EMAIL, SPAM PREVENTION & DELIVERABILITY • SINCE 2001
BY AL IVERSON
GMAIL LIST UNSUB
XNND DNS TOOLS
Gmail now requiring SPF or DKIM
Google just announced that if a message received at Gmail cannot be authenticated by way of either DKIM or SPF, the user interface is going to show a question mark in place of the sender's avatar or logo.
Click here to learn more
Monday, August 15, 2016