smtp_session::subject</td>
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<p>subject of the email </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aea48a6edd3ede02b26882c7b8d72646c">&#9670;&nbsp;</a></span>subject_len</h2>

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          <td class="memname">u16_t smtp_session::subject_len</td>
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