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implement outgoing dmarc aggregate reporting

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in smtpserver, we store dmarc evaluations (under the right conditions).
in dmarcdb, we periodically (hourly) send dmarc reports if there are
evaluations. for failed deliveries, we deliver the dsn quietly to a submailbox
of the postmaster mailbox.

this is on by default, but can be disabled in mox.conf.
This commit is contained in:
Mechiel Lukkien
2023-11-01 17:55:40 +01:00
parent d1e93020d8
commit e7699708ef
40 changed files with 2689 additions and 245 deletions
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36
webadmin/admin.go
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@ -1546,7 +1546,7 @@ func (Admin) TLSRPTSummaries(ctx context.Context, start, end time.Time, domain s
// end (most recent first), then by domain.
func (Admin) DMARCReports(ctx context.Context, start, end time.Time, domain string) (reports []dmarcdb.DomainFeedback) {
reports, err := dmarcdb.RecordsPeriodDomain(ctx, start, end, domain)
xcheckf(ctx, err, "fetching dmarc reports from database")
xcheckf(ctx, err, "fetching dmarc aggregate reports from database")
sort.Slice(reports, func(i, j int) bool {
iend := reports[i].ReportMetadata.DateRange.End
jend := reports[j].ReportMetadata.DateRange.End
@ -1565,9 +1565,9 @@ func (Admin) DMARCReportID(ctx context.Context, domain string, reportID int64) (
err = bstore.ErrAbsent
}
if err == bstore.ErrAbsent {
xcheckuserf(ctx, err, "fetching dmarc report from database")
xcheckuserf(ctx, err, "fetching dmarc aggregate report from database")
}
xcheckf(ctx, err, "fetching dmarc report from database")
xcheckf(ctx, err, "fetching dmarc aggregate report from database")
return report
}
@ -1589,7 +1589,7 @@ type DMARCSummary struct {
// The returned summaries are ordered by domain name.
func (Admin) DMARCSummaries(ctx context.Context, start, end time.Time, domain string) (domainSummaries []DMARCSummary) {
reports, err := dmarcdb.RecordsPeriodDomain(ctx, start, end, domain)
xcheckf(ctx, err, "fetching dmarc reports from database")
xcheckf(ctx, err, "fetching dmarc aggregate reports from database")
summaries := map[string]DMARCSummary{}
for _, r := range reports {
sum := summaries[r.Domain]
@ -1932,3 +1932,31 @@ func (Admin) WebserverConfigSave(ctx context.Context, oldConf, newConf Webserver
func (Admin) Transports(ctx context.Context) map[string]config.Transport {
return mox.Conf.Static.Transports
}
// DMARCEvaluationStats returns a map of all domains with evaluations to a count of
// the evaluations and whether those evaluations will cause a report to be sent.
func (Admin) DMARCEvaluationStats(ctx context.Context) map[string]dmarcdb.EvaluationStat {
stats, err := dmarcdb.EvaluationStats(ctx)
xcheckf(ctx, err, "get evaluation stats")
return stats
}
// DMARCEvaluationsDomain returns all evaluations for aggregate reports for the
// domain, sorted from oldest to most recent.
func (Admin) DMARCEvaluationsDomain(ctx context.Context, domain string) (dns.Domain, []dmarcdb.Evaluation) {
dom, err := dns.ParseDomain(domain)
xcheckf(ctx, err, "parsing domain")
evals, err := dmarcdb.EvaluationsDomain(ctx, dom)
xcheckf(ctx, err, "get evaluations for domain")
return dom, evals
}
// DMARCRemoveEvaluations removes evaluations for a domain.
func (Admin) DMARCRemoveEvaluations(ctx context.Context, domain string) {
dom, err := dns.ParseDomain(domain)
xcheckf(ctx, err, "parsing domain")
err = dmarcdb.RemoveEvaluationsDomain(ctx, dom)
xcheckf(ctx, err, "removing evaluations for domain")
}