00559nam a2200181 a 450000500170000002000150001708200210003210000180005324500550007126000310012630000210015749000500017869000280022896400190025699700120027599900170028795200730030420251203091728.0  a0070200564  a005.713,bD, FAT  aFatah, Burhan  aElectronic mail systems: a network manager's guide  aNew YorkbMcGraw-Hilc1994  axviii,380p, 22cm  aMcGraw-Hill series on computer communications  aElectronic mail systems  bengcdefg_  a74762 C  c50587d50587  00104070aPUbPUd1998-04-08g40.00l0o005.713, D, FATp74762yBK