receivers coddle B2C senders in order to keep them better behaved. Less
bandwidth is used by templated mass-customized mail than would be by
fully expanded mail. Rate limits can be imposed (and exceptions sold.) The
receivers offer templatization as a carrot to encourage B2C bulk senders
migrating to the new method.
Since your original assumption, that saving bandwidth is important, is
false, the whole plan kind of falls apart doesn't it?
There are plenty of ideas floating around about carrots and sticks that
receivers can use to persuade senders to behave better, but offloading
template expansion is so far off the radar that metaphors fail me.
R's,
John
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