[GRADE A2 — Jmail server (Epstein's own email system, seized by government)]
Lesley Groff's jmail account contains 39,136 emails. She sent 33,434 of them — 85% of all email in her account. This makes Groff by far the most prolific communicator in the jmail corpus. Her email timeline spans 2005 through 2019 with the following distribution:
| Year | Emails | Notable |
|---|---|---|
| 2005–2006 | 65 | Pre-conviction |
| 2007–2009 | 1,014 | Conviction period through work release |
| 2010–2011 | 5,431 | Post-release ramp-up |
| 2012–2013 | 8,133 | Peak operational period |
| 2014–2015 | 5,797 | Sustained operations |
| 2016 | 2,255 | Continuation |
| 2017–2018 | 13,389 | Highest volume — 7,581 in 2018 alone |
| 2019 | 2,838 | Through July arrest |
Groff's subject lines — when she initiates emails — constitute a near-complete map of Epstein's social and professional network. The top 80 subject lines (by frequency) read as a contact ledger:
Tier 1 — High-frequency contacts (100+ emails):
Jeffrey Epstein (734), Leon Black (314), Tim Zagat (173), Jes Staley (153), David Mitchell (150), Joe Pagano (141), Andrew Farkas (139), Brad Wechsler (122), Peggy Siegal (114), Justin Nelson (112), Woody Allen (110), Faith Kates (107), Larry Delson (106)
Tier 2 — Regular contacts (50–99 emails):
Heidi Holterbosch (93), Eva (92), Bobby Slayton (88), Mort Zuckerman (86), Martin Nowak (85), Leon Botstein (84), Dr. Magnani (84), Larry Summers (79), Jean Luc (74), Peggy Siegel (71), Paul Barrett (69), Barbro (69), Anthony Barrett (65), Nathan Myhrvold (59), Bruce Galloway (59), Julian Leese (55), Tom Pritzker (54)
Tier 3 — Recurring contacts (30–49 emails):
Steve Hanson (50), Ian Osborne (49), Enka/Erika Kellerhals (49+30), Todd Meister (49), Mark Tramo (47), Dr. Merrell (46), Tommy Mottola (46), John Brockman (45), George Delson (45), Terje (44), Dr. Bard (42), Rich Kahn (41), Michael Wolff (40), Craig Martin (39), Sultan (39), Barnaby Marsh (39), Danny Hillis (36), David Blaine (36), George Church (35), Glenn Dubin (33), Darren (31), Adam Bly (31), Kathy Ruemmler (30), Boris Nikolic (29), Katherine Keating (28), Mark Lloyd (28), Frederic Fekkai (27), Dr. Merkin (27)
Leon Black (314 emails) — former Apollo Global Management CEO who paid Epstein $158M in advisory fees. Jes Staley (153) — former JPMorgan executive who maintained personal relationship with Epstein. Andrew Farkas (139) — real estate developer. Woody Allen (110) — filmmaker, documented social contact. Larry Summers (79) — former Treasury Secretary. Sultan (39) — likely Sultan bin Sulayem (see MOL-02). Boris Nikolic (29) — scientist named as backup executor in Epstein's will.
The 2018 peak (7,581 emails) indicates Groff's operational tempo increased in the years after the Miami Herald's November 2018 investigation broke. The 2017–2018 combined 13,389 emails represent more than one-third of her entire 14-year email footprint.
Groff's email subjects constitute the most comprehensive single-source map of Epstein's active social network available in the corpus. The frequency data quantifies the intensity of each relationship — Leon Black at 314 emails is more than four times any other non-Epstein contact. The year-by-year distribution shows that the operation did not wind down after the 2007 conviction; it expanded, reaching its documented peak in the year before Epstein's final arrest.
WHAT THIS SHOWS AND DOES NOT SHOW: The email data documents Groff as the operational scheduling hub with communication links to every major figure in Epstein's network. It quantifies contact frequency but does NOT establish the content of these communications (subject lines are not message bodies). A high email count about "Leon Black" could reflect legitimate scheduling, financial arrangements, or other contexts not determinable from metadata alone.