John Levine: > It appears that Wietse Venema <postfix-users@postfix.org> said: > >With uniform or compressed payloads, 256 bytes become 261 on average, > >thus it takes 978.9 bytes on average to expand into 998. Add CR > >and LF to the 998, and we have an expansion of 1000/978.9=1.022 or > >just a little over 2%. > > That was my estimate too. I was rounding, so sue me.
I demonstrated that I am a worse sales person, when I pointed out that the expansion rate can range from 0.2% (when no quoting is needed) to over 100% (when every octet needs quoting). > >It could have been a good idea 25 years ago. > > Turns out it came up on the ietf-smtp list in 2003. Here's the > mail discussion Note that the quoting scheme came up in the context of compressed data, where I agree that the 2% expansion claim can be strong. With uncompressed data, YMMV. Thanks for the history lesson :-) Wietse