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Add mandatory RFC 5322 headers and fix incorrect line endings in mailing

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This commit is contained in:
Michael Reber
2026-02-22 11:57:47 +01:00
parent ea30360bf8
commit 78df24a1d5
1 changed files with 9 additions and 3 deletions
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pkg/web/handlers.go
+9 -3
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@@ -2693,9 +2693,15 @@ func sendEmail(to, subject, body string, settings config.AppSettings) error {
return err return err
} }
message := fmt.Sprintf("From: %s\nTo: %s\nSubject: %s\n"+ msgID := fmt.Sprintf("<%d.%s@fail2ban-ui>", time.Now().UnixNano(), settings.SMTP.From)
"MIME-Version: 1.0\nContent-Type: text/html; charset=\"UTF-8\"\n\n%s", message := "From: " + settings.SMTP.From + "\r\n" +
settings.SMTP.From, to, subject, body) "To: " + to + "\r\n" +
"Subject: " + subject + "\r\n" +
"Date: " + time.Now().Format(time.RFC1123Z) + "\r\n" +
"Message-ID: " + msgID + "\r\n" +
"MIME-Version: 1.0\r\n" +
"Content-Type: text/html; charset=\"UTF-8\"\r\n" +
"\r\n" + body
msg := []byte(message) msg := []byte(message)
smtpHost := settings.SMTP.Host smtpHost := settings.SMTP.Host