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package mailstuff
import (
"bytes"
"io"
"net/mail"
)
func ReadMBox(r io.Reader) ([]*mail.Message, error) {
rest, err := io.ReadAll(r)
if err != nil {
return nil, err
}
const terminator = "\nFrom "
var parts [][]byte
for {
pos := bytes.Index(rest, []byte(terminator))
if pos < 0 {
parts = append(parts, rest)
break
}
parts = append(parts, rest[:pos+1])
rest = rest[pos+1:]
}
ret := make([]*mail.Message, len(parts))
for i := range len(parts) {
msg, err := mail.ReadMessage(bytes.NewReader(parts[i]))
if err != nil {
return nil, err
}
ret[i] = msg
}
return ret, nil
}
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