revDNS and SPF check policy

Discuss your pilot or production implementation with other Zimbra admins or our engineers.
pgrzeda
Posts: 1
Joined: Sat Nov 03, 2018 9:07 pm

revDNS and SPF check policy

Postby pgrzeda » Sat Nov 03, 2018 9:13 pm

Hello,

How do you manage your SPF and revDNS check policy with mail vendors like outlook.com or other O365 domains? Obviously they don't set PTR record and SPF. How to handle this? A whitelist? But what and where...


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