> > I have decided to not accept any SMTP connections from the Google cloud > > infrastructure (AS396982). > > I block them completely on my system. There is nothing good inside that > infrastructure. > > Note, that they have two AS assigned tho their cloud infrastructure: > - AS396982 > - AS19527
How can you do that confidently? Some names in that AS that jump out at me include the following list. Have you confidently documented that no good mail comes out of that AS before blocking? Why not block any host identified as googleusercontent.com instead? Do you service a variety of users who want mail from lots of different places? Uber Technologies, INC Cogent Communications Groupon, Inc. Priceline.com Salesforce, Inc FedEx U.S. Dept. of Health And Human Services The Dun & Bradstreet Corporation Palo Alto Networks, INC S&p Global Inc. US U.S. Securities & Exchange Commission Shopify, Inc. The Home Depot Inc. Federal Deposit Insurance Corporation US Chicago Mercantile Exchange Crowdstrike Mailspike Nokia of America Corporation Ericsson Ab Honeywell International Inc. US Johnson & Johnson Calix, Inc. Dow Networks Credit Karma, Inc. Sendinblue Cisco Webex LLC _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
