I think there were several posts on this in March. This follow-up was reported in the June 2009 First Friday Prayer Letter of Intercessors for America. Below is full copy of that. Their sourse was World Net Daily 05/04/09.
WHITE HOUSE CONFIRMS RECEIVING
OVER 2 MILLION RED "LIFE" ENVELOPES
WASHINGTON, DC – White House mail office worker "Steve" confirmed that the Obama administration has received a "deluge" of as many as 2.25 million red envelopes symbolizing the empty promise of lives snuffed out in abortion. Asked if he has seen a flood of red envelopes bound for the White House, Steve chuckled and told reporters, "I’ve been here 35 years, so I’ve seen presidents come and go … this campaign ranks up there with the big ones." Thousands of red envelopes are still arriving.
The Red Envelope Project is an idea sparked in the mind and prayers of a Massachusetts man, Christ Otto, who envisioned in January thousands of red envelopes sent to the White House, a visual expression of moral outrage over President Obama’s position on abortion. Otto’s email to a few friends sparked a wildfire on the Internet. On the backs of the envelopes, senders wrote a message Otto composed: "This envelope represents one child who died in abortion. It is empty because that life was unable to offer anything to the world. Responsibility begins with conception." (WND 5/4/09)