I just found a similar and much older bug #31586 which doesn't mention DMARC until comment 33, but it is describing the same problem. This bug might therefore be a duplicate of that one, but this one has more specific details about DMARC which should be raising the urgency of a fix IMHO.
I just found a similar and much older bug #31586 which doesn't mention DMARC until comment 33, but it is describing the same problem. This bug might therefore be a duplicate of that one, but this one has more specific details about DMARC which should be raising the urgency of a fix IMHO.