Internal error on emails from spothero.com #321
Description
v5.1.0 on TB 91.11.0 (64-bit)
DKIM_Verifier.Verifier FATAL verifier.mjs.js:1335:8
_handleException moz-extension://c59aead9-8e8f-4b9a-827f-4513ce0adfbe/modules/dkim/verifier.mjs.js:1335
_processSignatures moz-extension://c59aead9-8e8f-4b9a-827f-4513ce0adfbe/modules/dkim/verifier.mjs.js:1378