On Mon, Nov 17, 2025 at 11:27 AM Daniel K. <[email protected]> wrote:
> > At this point I don't think the validity of an unencoded '+' is > > disputed. The problem seems to be that the consumer of the DMARC record > > does not do any pct-decoding at all, leading to the misdirected reports. > > Or, reading over and thinking about it again, maybe the consumer is just > being selective about what to decode, since '%' itself is in 'atext'. > I think "+" as part of an email address, when used in a "mailto" URI, must be encoded because it's a reserved character in both RFC 3986 and RFC 6068. Interoperability, then, is only guaranteed when all consumers do the decoding. -MSK
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