patrickandClaude Sonnet 5.5
b15bab355b
Parser liest oberstes Return-Path, Index-Spalte env_from, Absender-Filter matcht from_addr oder env_from. Keine Zugriffswirkung. Reindex für Bestand nötig. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
25 lines
498 B
Go
25 lines
498 B
Go
package mailparser
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import (
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"net/mail"
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"strings"
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)
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// Only the topmost Return-Path counts: it is added by the final delivering
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// mailserver; lower ones stem from earlier hops or the sender.
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func returnPath(h mail.Header) string {
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values := h["Return-Path"]
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if len(values) == 0 {
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return ""
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}
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v := strings.TrimSpace(values[0])
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if v == "" || v == "<>" {
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return ""
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}
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a, err := mail.ParseAddress(v)
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if err != nil {
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return ""
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}
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return strings.ToLower(strings.TrimSpace(a.Address))
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}
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