▁Ol son ▁co - f ounded ▁the ▁company ▁Send mail , ▁Inc . ▁ ▁Education ▁and ▁training ▁Born ▁in ▁El ▁Cer rito , ▁California , ▁All man ▁knew ▁from ▁an ▁early ▁age ▁that ▁he ▁wanted ▁to ▁work ▁in ▁computing , ▁breaking ▁into ▁his ▁high ▁school ' s ▁main frame ▁and ▁later ▁using ▁the ▁U C ▁Ber keley ▁computing ▁center ▁for ▁his ▁computing ▁needs . ▁In ▁ 1 9 7 3 , ▁he ▁entered ▁U C ▁Ber keley , ▁just ▁as ▁the ▁Unix ▁operating ▁system ▁began ▁to ▁become ▁popular ▁in ▁academic ▁circles . ▁ ▁He ▁earned ▁B . S . ▁and ▁M . S . ▁degrees ▁from ▁U C ▁Ber keley ▁in ▁ 1 9 7 7 ▁and ▁ 1 9 8 0 ▁respectively . ▁ ▁Send mail ▁and ▁S ys log ▁As ▁the ▁Unix ▁source ▁code ▁was ▁available ▁at ▁Ber keley , ▁the ▁local ▁hack ers ▁quickly ▁made ▁many ▁extensions ▁to ▁the ▁AT & T ▁code . ▁One ▁such ▁extension ▁was ▁deliver mail , ▁which ▁in ▁ 1 9 8 1 ▁turned ▁into ▁send mail . ▁ ▁As ▁an ▁M TA , ▁it ▁was ▁designed ▁to ▁deliver ▁email ▁over ▁the ▁still ▁relatively ▁small ▁( as ▁compared ▁to ▁today ' s ▁Internet ) ▁AR P AN ET , ▁which ▁consisted ▁of ▁many ▁smaller ▁networks ▁with ▁vast ly ▁differ ing ▁formats ▁for ▁e - mail ▁headers . ▁ ▁Send mail ▁soon ▁became ▁an ▁important ▁part ▁of ▁ ▁the ▁Ber keley ▁Software ▁Distribution ▁( B SD ) ▁and ▁it ▁used ▁to ▁be ▁the ▁most ▁widely ▁used