DMARC check - Githubissues

** Describe the solution you'd like mxcheck should check for DMARC DNS entries.

We need a type for it and validation where possible.

Indicates whether strict or relaxed DKIM Identifier Alignment mode is required: adkim
Indicates whether strict or relaxed SPF Identifier Alignment mode is required: aspf
Failure reporting options: fo
Requested Mail Receiver policy: p
Percentage of messages from the Domain Owner's mail stream to which the DMARC policy is to be applied: pct
Format to be used for message-specific failure reports: rf
Interval requested between aggregate reports: ri
Addresses to which aggregate feedback is to be sent: rua
Addresses to which message-specific failure information is to be reported: ruf
Requested Mail Receiver policy for all subdomains: sp
Version: v

steffenfritz / mxcheck