You can link to multiple e-mail addresses

posted on 27.07.2021

<!-- comma separated list without spaces and/or url encoded with %20 -->
<a href="mailto:manuel@matuzo.at,manuel@webclerks.at">
 Contact me and me
</a>

<!-- or with ?to= parameter -->
<a href="mailto:manuel@matuzo.at?to=manuel@webclerks.at">
 Contact me and me
</a>