At the 60th Primetime Emmy Awards, 2008, Mad Men was the most nominated drama show and in overall nominations it stood third with sixteen nominations trailing 30 Rock, the NBC comedy with seventeen nominations and John Adams, the HBO mini series which was nominated for twenty three categories.
Along with the FX drama Damages, which was nominated at the same time, Mad Men has achieved the distinction of the first basic cable series to be ever nominated for Outstanding Drama Series, and also winning the same.

The Details of the Awards won by Mad Men since its inception are

2008
American Film Institute (AFI) -Best Television Programme
Television Critics Association
Outstanding Drama
Outstanding New Program of the Year
Program of the Year

2007
Peabody Award
Art Directors Guild (ADG) - Excellence in Production Design - Single- Camera TV Series (for "Shoot")
Casting Society of America (CSA) - Outstanding Casting - Television Pilot, Drama
Directors Guild of America (DGA) - Outstanding Directing - Drama Series, Night (Alan Taylor for "Smoke Gets in Your Eyes (Pilot)")

Golden Globe Awards
Best Series - Drama
Best Actor – Drama Series (Jon Hamm for playing "Don Draper")
Satellite Awards - Best Cast - Television Series
Writers Guild of America (WGA)
Best Writing - New Series

The List of Nominations bagged by Mad Men since its inception

2008
Golden Globe Awards –
Best Series - Drama
Best Actor - Drama Series (Jon Hamm)
Best Actress - Drama Series (January Jones for playing "Betty Draper")

Television Critics Association
Individual Achievement - Drama (Jon Hamm for playing "Don Draper")
Writers Guild of America (WGA) - Best Writing - Dramatic Series

2007
Satellite Awards - Best Series - Drama
Motion Picture Sound Editors (Golden Reel)
Best Sound Editing: Dialogue and ADR - Short Form Television (for "Smoke Gets in Your Eyes (Pilot)")
Screen Actors Guild (SAG) -
Outstanding Actor - Drama Series (Jon Hamm for playing "Don Draper")
Outstanding Cast - Drama Series

Writers Guild of America (WGA)

Best Writing - Episodic Drama (Chris Provenzano for "The Hobo Code")
Best Writing - Dramatic Series

In the technical categories, Mad Men won Emmys for Outstanding Art Direction for a Single Camera Series (episode: "Smoke Gets In Your Eyes"), Outstanding Hair-Styling for a Single Camera Series (episode: "Shoot"), Outstanding Cinematography for a One-Hour Series (episode: "Smoke Gets In Your Eyes") and Outstanding Main Title Design.