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Patch to Alert Invalid Addresses 1.0 Fereasket opnij starte
troch ClearCode Inc.
Shows alert if there is any invalid address in sending message.
![[Warskôging]](https://addons.thunderbird.net/static/img/developers/test-warning.png?b=58a99cbb-667a0970)
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Oer dizze add-on
Thunderbird warns if first destination address is invalid, but does not warn for further destination addresses. This add-on fixes this odd behavior and make Thunderbird check all destination addresses.
