Smail (disambiguation)

Smail is a mail transfer agent used on Unix-like operating systems.

Smail may also refer to:
 * Snail mail, a disparaging retronym referring to missives carried by conventional postal delivery services
 * Robert Smail's Printing Works, a Victorian-era letterpress printing works in the Scottish Borders town of Innerleithen

People with the surname

 * David Smail (golfer) (born 1970), New Zealand professional golfer
 * David Smail (psychologist) (born 1938), British clinical psychologist
 * Doug Smail (born 1957), Canadian ice hockey left winger
 * John R.W. Smail (1930-2002), Cornell historian of Southeast Asia
 * Thomas Smail (born 1928), Scottish theologian