

One thing I can think of is an overzealous corporate security solution blocking or holding back your email purely for having an attachment, or because it misunderstands/presumes the cipher-looking text file to be an attempt to bypass filtering.
Other than that might be curious questions from curious receivers of the key/file they may not understand, and will not be expecting. (“What’s this for? Is this part of the contract documents? Oh well, I’ll forward it to the client anyway”)
Other than that it’s a public key, go for it. Hard (for me anyway) to decide to post them to public keychains when the bot-nets read them for spam, so this might be the next best thing?
Sometimes it feels technology may doom us all in the end. We’ve got a rough patch in society starting now, now that liars and cheats can be more convincingly backed up, and honest folk hidden behind credible doubt that they are the liars.
AI isn’t just on the path to make convincing lies, it’s on the path to ensuring that all truth can be doubted as well. At which point, there is no such thing as truth until we learn yet a new way to tell the difference.
“They don’t need to convince us what they are saying, the lies, are true. Just that there is no truth, and you cannot believe anything you are told.”