* Dave Crocker: > Longer-term use has, at least, operational import, for access to the > DKIM key and for access to the message in its signed form. Neither of > these is automatically cheap, given operational vagaries and given the > manipulations many email systems do to the messages they handle.
Could you be any more vague? ;-) This does not say anything quantifiable. Surely you don't mean to say that keeping DNS RR for, say, three months instead of two is costly? Also, DKIM signatures matter while messages are in transit. Once a message reached its destination and has been processed there, who is left to care? And what good would the x-tag do to reduce operational cost, in your opinion? -Ralph _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
