revDNS and SPF check policy

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

revDNS and SPF check policy

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


How do you manage your SPF and revDNS check policy with mail vendors like 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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