Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> Tom Lane wrote:
>> I'm not impressed by the argument that
>> some folks' mail programs won't dig it out of the headers --- I think
>> it's about as likely that they won't dig a URL out of a standard footer
>> either.
> The obvious difference is that headers are normally hidden as
> uninteresting metadata, whereas footers are shown as normal body text.
Programs that know what a footer is might well not do that.
regards, tom lane