fix: allowed missing dmarc.pct
which defaults to 100
#239
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According to RFC 7489,
pct
is optional and defaults to 100. Current code reject DMARC records withoutpct=100
, which is unnecessarily strict.For example,
gmail.com
doesn't setpct=100
for its DMARC. Cloudflare's DMARC generator also omit it by default.Checklist