[SpamCop-List] Spam Receipts?

[Michael Brennan]

With reference to:

http://www.spamcop.net/sc?id=z896972080ze55ededcf3e1f8f098e0811696463c02z


Is there anything in the source code of this message that would display
a receipt either on acceptance of the spam by my ISP's server, or on
download, or on preview/view on my box?

As I've explained to Mike Easter previously, I presort my spams before
sending them off to SpamCop, so that all the spams reported in a single
message will be of the same type (pill spammers, phony diploma spams,
generic/other, phishes, etc.), which helps me when actually subbing the
parsed SpamCop reports later on, when the headers and subject lines
offer no clues about content.  I usually comment for abuse desks on
content when LARTing: "This msg is a "pharmacy"/"wonder-drug" UCE spam,"
"This msg is a criminal '419' solicitation and has been forwarded to
LE," and so on.

As a result, I usually prepare spams for forwarding to SpamCop while
offline, for this reason.

Any comments about ways that a receipt to the spammer could leak out
while handling spams of the encaptioned type?

Comments received gratefully,
Michael