RFC 5322 requires both headers. Date uses RFC1123Z formatting; Message-ID is a random 16-byte token scoped to the sending domain parsed from From. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> |
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|---|---|---|
| .. | ||
| smtp | ||
| webhook | ||
| delivery.go | ||
| delivery_test.go | ||