I’m having a hard time following what you are talking about. However, I think I might have a suggestion. You could write a PowerShell script to periodically query all computers in the domain then check against DNS. DNSQueries provides network tools and lets you make every needed network test, such as domain health tests, RBL checks, dns lookup, ptr queries, host geographical informations, dns query and many more. Query a DNS server on IP Addresses and Domain Names. Query DNS for MX, TXT, SPF, SRV, SOA and more. Too many DNS lookups in an SPF record. March 2. 0, 2. 00.
I recently noticed I was having new email deliverability issues. Thankfully the Salesforce SPF record is nice and clean: v=spf. That leaves Auth. SMTP: v=spf. 1 include: spf- a.
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September 2017
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