%!PS-Adobe-1.0 /4up_cpy { } bind def /4up_font /Helvetica findfont 20 scalefont store /4up_cfont /Helvetica findfont 6 scalefont store /4up_outlinepg {gsave initgraphics currentlinewidth 2 mul setlinewidth 30 18 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath 30 398 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath 309 18 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath 309 398 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath stroke currentlinewidth 3 div setlinewidth 52 9 moveto 4up_cfont setfont 4up_cpy grestore} bind def /4up_p1_out {gsave initgraphics currentlinewidth 2 mul setlinewidth 30 398 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath stroke currentlinewidth 3 div setlinewidth 52 9 moveto 4up_cfont setfont 4up_cpy grestore systemdict /showpage get exec /4up_even_in false store /4up_row_1 true store [ .47 0 0 .49 22 392 ] concat } bind def /4up_p2_out {gsave initgraphics currentlinewidth 2 mul setlinewidth 30 398 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath 309 398 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath stroke currentlinewidth 3 div setlinewidth 52 9 moveto 4up_cfont setfont 4up_cpy grestore systemdict /showpage get exec /4up_even_in false store /4up_row_1 true store [ .47 0 0 .49 22 392 ] concat } bind def /4up_p3_out {gsave initgraphics currentlinewidth 2 mul setlinewidth 30 398 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath 309 398 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath 30 18 moveto 0 375 rlineto 272 0 rlineto 0 -375 rlineto closepath stroke currentlinewidth 3 div setlinewidth 52 9 moveto 4up_cfont setfont 4up_cpy grestore systemdict /showpage get exec /4up_even_in false store /4up_row_1 true store [ .47 0 0 .49 22 392 ] concat } bind def /showpage {4up_row_1 {4up_even_in {initgraphics [ .47 0 0 .49 22 12 ] concat /4up_row_1 false store} {initgraphics [ .47 0 0 .49 302 392 ] concat} ifelse} {4up_even_in {4up_outlinepg systemdict /showpage get exec [ .47 0 0 .49 22 392 ] concat /4up_row_1 true store} {initgraphics [ .47 0 0 .49 302 12 ] concat} ifelse} ifelse /4up_even_in 4up_even_in not store} bind def /4up_even_in false store /4up_row_1 true store [ .47 0 0 .49 22 392 ] concat %!PS-Adobe-1.0 %%Creator: chez.CS.Berkeley.EDU:eric (& Allman) %%Title: stdin (ditroff) %%CreationDate: Wed Apr 21 08:24:31 1993 %%EndComments % @(#)psdit.pro 1.6 11/6/90 % lib/psdit.pro -- prolog for psdit (ditroff) files % Copyright (c) 1984, 1985 Adobe Systems Incorporated. All Rights Reserved. % last edit: shore Sat Nov 23 20:28:03 1985 % RCSID: $Header: psdit.pro,v 2.1 85/11/24 12:19:43 shore Rel $ % Changed by Edward Wang (edward@ucbarpa.berkeley.edu) to handle graphics, % 17 Feb, 87. /$DITroff 140 dict def $DITroff begin /fontnum 1 def /fontsize 10 def /fontheight 10 def /fontslant 0 def /xi{0 72 11 mul translate 72 resolution div dup neg scale 0 0 moveto /fontnum 1 def /fontsize 10 def /fontheight 10 def /fontslant 0 def F}def /PB{save /psv exch def currentpoint translate resolution 72 div dup neg scale 0 0 moveto}def /PE{psv restore}def /arctoobig 90 def /arctoosmall .05 def /m1 matrix def /m2 matrix def /m3 matrix def /oldmat matrix def /tan{dup sin exch cos div}def /point{resolution 72 div mul}def /dround {transform round exch round exch itransform}def /xT{/devname exch def}def /xr{/mh exch def /my exch def /resolution exch def}def /xp{}def /xs{docsave restore end}def /xt{}def /xf{/fontname exch def /slotno exch def fontnames slotno get fontname eq not {fonts slotno fontname findfont put fontnames slotno fontname put}if}def /xH{/fontheight exch def F}def /xS{/fontslant exch def F}def /s{/fontsize exch def /fontheight fontsize def F}def /f{/fontnum exch def F}def /F{fontheight 0 le{/fontheight fontsize def}if fonts fontnum get fontsize point 0 0 fontheight point neg 0 0 m1 astore fontslant 0 ne{1 0 fontslant tan 1 0 0 m2 astore m3 concatmatrix}if makefont setfont .04 fontsize point mul 0 dround pop setlinewidth}def /X{exch currentpoint exch pop moveto show}def /N{3 1 roll moveto show}def /Y{exch currentpoint pop exch moveto show}def /S{show}def /ditpush{}def/ditpop{}def /AX{3 -1 roll currentpoint exch pop moveto 0 exch ashow}def /AN{4 2 roll moveto 0 exch ashow}def /AY{3 -1 roll currentpoint pop exch moveto 0 exch ashow}def /AS{0 exch ashow}def /MX{currentpoint exch pop moveto}def /MY{currentpoint pop exch moveto}def /MXY{moveto}def /cb{pop}def % action on unknown char -- nothing for now /n{}def/w{}def /p{pop showpage xi}def /Dt{/Dlinewidth exch def}def 1 Dt /Ds{/Ddash exch def}def -1 Ds /i{/Dstipple exch def}def 1 i /Dsetlinewidth{2 Dlinewidth mul setlinewidth}def /Dsetdash{Ddash 4 eq{[8 12]}{Ddash 16 eq{[32 36]} {Ddash 20 eq{[32 12 8 12]}{[]}ifelse}ifelse}ifelse 0 setdash}def /Dstroke{gsave Dsetlinewidth Dsetdash 1 setlinecap stroke grestore currentpoint newpath moveto}def /Dl{rlineto Dstroke}def /arcellipse{/diamv exch def /diamh exch def oldmat currentmatrix pop currentpoint translate 1 diamv diamh div scale /rad diamh 2 div def currentpoint exch rad add exch rad -180 180 arc oldmat setmatrix}def /Dc{dup arcellipse Dstroke}def /De{arcellipse Dstroke}def /Da{/endv exch def /endh exch def /centerv exch def /centerh exch def /cradius centerv centerv mul centerh centerh mul add sqrt def /eradius endv endv mul endh endh mul add sqrt def /endang endv endh atan def /startang centerv neg centerh neg atan def /sweep startang endang sub dup 0 lt{360 add}if def sweep arctoobig gt {/midang startang sweep 2 div sub def /midrad cradius eradius add 2 div def /midh midang cos midrad mul def /midv midang sin midrad mul def midh neg midv neg endh endv centerh centerv midh midv Da Da} {sweep arctoosmall ge {/controldelt 1 sweep 2 div cos sub 3 sweep 2 div sin mul div 4 mul def centerv neg controldelt mul centerh controldelt mul endv neg controldelt mul centerh add endh add endh controldelt mul centerv add endv add centerh endh add centerv endv add rcurveto Dstroke} {centerh endh add centerv endv add rlineto Dstroke} ifelse} ifelse}def /Dpatterns[ [%cf[widthbits] [8<0000000000000010>] [8<0411040040114000>] [8<0204081020408001>] [8<0000103810000000>] [8<6699996666999966>] [8<0000800100001008>] [8<81c36666c3810000>] [8<0f0e0c0800000000>] [8<0000000000000010>] [8<0411040040114000>] [8<0204081020408001>] [8<0000001038100000>] [8<6699996666999966>] [8<0000800100001008>] [8<81c36666c3810000>] [8<0f0e0c0800000000>] [8<0042660000246600>] [8<0000990000990000>] [8<0804020180402010>] [8<2418814242811824>] [8<6699996666999966>] [8<8000000008000000>] [8<00001c3e363e1c00>] [8<0000000000000000>] [32<00000040000000c00000004000000040000000e0000000000000000000000000>] [32<00000000000060000000900000002000000040000000f0000000000000000000>] [32<000000000000000000e0000000100000006000000010000000e0000000000000>] [32<00000000000000002000000060000000a0000000f00000002000000000000000>] [32<0000000e0000000000000000000000000000000f000000080000000e00000001>] [32<0000090000000600000000000000000000000000000007000000080000000e00>] [32<00010000000200000004000000040000000000000000000000000000000f0000>] [32<0900000006000000090000000600000000000000000000000000000006000000>]] [%ug [8<0000020000000000>] [8<0000020000002000>] [8<0004020000002000>] [8<0004020000402000>] [8<0004060000402000>] [8<0004060000406000>] [8<0006060000406000>] [8<0006060000606000>] [8<00060e0000606000>] [8<00060e000060e000>] [8<00070e000060e000>] [8<00070e000070e000>] [8<00070e020070e000>] [8<00070e020070e020>] [8<04070e020070e020>] [8<04070e024070e020>] [8<04070e064070e020>] [8<04070e064070e060>] [8<06070e064070e060>] [8<06070e066070e060>] [8<06070f066070e060>] [8<06070f066070f060>] [8<060f0f066070f060>] [8<060f0f0660f0f060>] [8<060f0f0760f0f060>] [8<060f0f0760f0f070>] [8<0e0f0f0760f0f070>] [8<0e0f0f07e0f0f070>] [8<0e0f0f0fe0f0f070>] [8<0e0f0f0fe0f0f0f0>] [8<0f0f0f0fe0f0f0f0>] [8<0f0f0f0ff0f0f0f0>] [8<1f0f0f0ff0f0f0f0>] [8<1f0f0f0ff1f0f0f0>] [8<1f0f0f8ff1f0f0f0>] [8<1f0f0f8ff1f0f0f8>] [8<9f0f0f8ff1f0f0f8>] [8<9f0f0f8ff9f0f0f8>] [8<9f0f0f9ff9f0f0f8>] [8<9f0f0f9ff9f0f0f9>] [8<9f8f0f9ff9f0f0f9>] [8<9f8f0f9ff9f8f0f9>] [8<9f8f1f9ff9f8f0f9>] [8<9f8f1f9ff9f8f1f9>] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8] [8]] [%mg [8<8000000000000000>] [8<0822080080228000>] [8<0204081020408001>] [8<40e0400000000000>] [8<66999966>] [8<8001000010080000>] [8<81c36666c3810000>] [8] [16<07c00f801f003e007c00f800f001e003c007800f001f003e007c00f801f003e0>] [16<1f000f8007c003e001f000f8007c003e001f800fc007e003f001f8007c003e00>] [8] [16<0040008001000200040008001000200040008000000100020004000800100020>] [16<0040002000100008000400020001800040002000100008000400020001000080>] [16<1fc03fe07df0f8f8f07de03fc01f800fc01fe03ff07df8f87df03fe01fc00f80>] [8<80>] [8<8040201000000000>] [8<84cc000048cc0000>] [8<9900009900000000>] [8<08040201804020100800020180002010>] [8<2418814242811824>] [8<66999966>] [8<8000000008000000>] [8<70f8d8f870000000>] [8<0814224180402010>] [8] [8<018245aa45820100>] [8<221c224180808041>] [8<88000000>] [8<0855800080550800>] [8<2844004482440044>] [8<0810204080412214>] [8<00>]]]def /Dfill{ save 6 1 roll transform /maxy exch def /maxx exch def transform /miny exch def /minx exch def minx maxx gt{/minx maxx /maxx minx def def}if miny maxy gt{/miny maxy /maxy miny def def}if Dpatterns Dstipple 1 sub get exch 1 sub get aload pop /stip exch def /stipw exch def /stiph 128 def /imatrix[stipw 0 0 stiph 0 0]def /tmatrix[stipw 0 0 stiph 0 0]def /minx minx cvi stiph idiv stiph mul def /miny miny cvi stipw idiv stipw mul def eoclip 0 setgray miny stiph maxy{ tmatrix exch 5 exch put minx stipw maxx{ tmatrix exch 4 exch put tmatrix setmatrix stipw stiph true imatrix {stip} imagemask }for }for restore }def /Dp{Dfill Dstroke}def /DP{Dfill currentpoint newpath moveto}def end /ditstart{$DITroff begin /nfonts 60 def % NFONTS makedev/ditroff dependent! /fonts[nfonts{0}repeat]def /fontnames[nfonts{()}repeat]def /docsave save def }def % character outcalls /oc{ /pswid exch def /cc exch def /name exch def /ditwid pswid fontsize mul resolution mul 72000 div def /ditsiz fontsize resolution mul 72 div def ocprocs name known{ocprocs name get exec}{name cb}ifelse }def /fractm [.65 0 0 .6 0 0] def /fraction{ /fden exch def /fnum exch def gsave /cf currentfont def cf fractm makefont setfont 0 .3 dm 2 copy neg rmoveto fnum show rmoveto currentfont cf setfont(\244)show setfont fden show grestore ditwid 0 rmoveto }def /oce{grestore ditwid 0 rmoveto}def /dm{ditsiz mul}def /ocprocs 50 dict def ocprocs begin (14){(1)(4)fraction}def (12){(1)(2)fraction}def (34){(3)(4)fraction}def (13){(1)(3)fraction}def (23){(2)(3)fraction}def (18){(1)(8)fraction}def (38){(3)(8)fraction}def (58){(5)(8)fraction}def (78){(7)(8)fraction}def (sr){gsave 0 .06 dm rmoveto(\326)show oce}def (is){gsave 0 .15 dm rmoveto(\362)show oce}def (->){gsave 0 .02 dm rmoveto(\256)show oce}def (<-){gsave 0 .02 dm rmoveto(\254)show oce}def (==){gsave 0 .05 dm rmoveto(\272)show oce}def (uc){gsave currentpoint 400 .009 dm mul add translate 8 -8 scale ucseal oce}def end % an attempt at a PostScript FONT to implement ditroff special chars % this will enable us to % cache the little buggers % generate faster, more compact PS out of psdit % confuse everyone (including myself)! 50 dict dup begin /FontType 3 def /FontName /DIThacks def /FontMatrix [.001 0 0 .001 0 0] def /FontBBox [-260 -260 900 900] def% a lie but ... /Encoding 256 array def 0 1 255{Encoding exch /.notdef put}for Encoding dup 8#040/space put %space dup 8#110/rc put %right ceil dup 8#111/lt put %left top curl dup 8#112/bv put %bold vert dup 8#113/lk put %left mid curl dup 8#114/lb put %left bot curl dup 8#115/rt put %right top curl dup 8#116/rk put %right mid curl dup 8#117/rb put %right bot curl dup 8#120/rf put %right floor dup 8#121/lf put %left floor dup 8#122/lc put %left ceil dup 8#140/sq put %square dup 8#141/bx put %box dup 8#142/ci put %circle dup 8#143/br put %box rule dup 8#144/rn put %root extender dup 8#145/vr put %vertical rule dup 8#146/ob put %outline bullet dup 8#147/bu put %bullet dup 8#150/ru put %rule dup 8#151/ul put %underline pop /DITfd 100 dict def /BuildChar{0 begin /cc exch def /fd exch def /charname fd /Encoding get cc get def /charwid fd /Metrics get charname get def /charproc fd /CharProcs get charname get def charwid 0 fd /FontBBox get aload pop setcachedevice 2 setlinejoin 40 setlinewidth newpath 0 0 moveto gsave charproc grestore end}def /BuildChar load 0 DITfd put /CharProcs 50 dict def CharProcs begin /space{}def /.notdef{}def /ru{500 0 rls}def /rn{0 840 moveto 500 0 rls}def /vr{0 800 moveto 0 -770 rls}def /bv{0 800 moveto 0 -1000 rls}def /br{0 840 moveto 0 -1000 rls}def /ul{0 -140 moveto 500 0 rls}def /ob{200 250 rmoveto currentpoint newpath 200 0 360 arc closepath stroke}def /bu{200 250 rmoveto currentpoint newpath 200 0 360 arc closepath fill}def /sq{80 0 rmoveto currentpoint dround newpath moveto 640 0 rlineto 0 640 rlineto -640 0 rlineto closepath stroke}def /bx{80 0 rmoveto currentpoint dround newpath moveto 640 0 rlineto 0 640 rlineto -640 0 rlineto closepath fill}def /ci{500 360 rmoveto currentpoint newpath 333 0 360 arc 50 setlinewidth stroke}def /lt{0 -200 moveto 0 550 rlineto currx 800 2cx s4 add exch s4 a4p stroke}def /lb{0 800 moveto 0 -550 rlineto currx -200 2cx s4 add exch s4 a4p stroke}def /rt{0 -200 moveto 0 550 rlineto currx 800 2cx s4 sub exch s4 a4p stroke}def /rb{0 800 moveto 0 -500 rlineto currx -200 2cx s4 sub exch s4 a4p stroke}def /lk{0 800 moveto 0 300 -300 300 s4 arcto pop pop 1000 sub 0 300 4 2 roll s4 a4p 0 -200 lineto stroke}def /rk{0 800 moveto 0 300 s2 300 s4 arcto pop pop 1000 sub 0 300 4 2 roll s4 a4p 0 -200 lineto stroke}def /lf{0 800 moveto 0 -1000 rlineto s4 0 rls}def /rf{0 800 moveto 0 -1000 rlineto s4 neg 0 rls}def /lc{0 -200 moveto 0 1000 rlineto s4 0 rls}def /rc{0 -200 moveto 0 1000 rlineto s4 neg 0 rls}def end /Metrics 50 dict def Metrics begin /.notdef 0 def /space 500 def /ru 500 def /br 0 def /lt 416 def /lb 416 def /rt 416 def /rb 416 def /lk 416 def /rk 416 def /rc 416 def /lc 416 def /rf 416 def /lf 416 def /bv 416 def /ob 350 def /bu 350 def /ci 750 def /bx 750 def /sq 750 def /rn 500 def /ul 500 def /vr 0 def end DITfd begin /s2 500 def /s4 250 def /s3 333 def /a4p{arcto pop pop pop pop}def /2cx{2 copy exch}def /rls{rlineto stroke}def /currx{currentpoint pop}def /dround{transform round exch round exch itransform} def end end /DIThacks exch definefont pop ditstart (psc)xT 576 1 1 xr 1(Times-Roman)xf 1 f 2(Times-Italic)xf 2 f 3(Times-Bold)xf 3 f 4(Times-BoldItalic)xf 4 f 5(Helvetica)xf 5 f 6(Helvetica-Bold)xf 6 f 7(Courier)xf 7 f 8(Courier-Bold)xf 8 f 9(Symbol)xf 9 f 10(DIThacks)xf 10 f 10 s 1 f xi %%EndProlog %%Page: 1 1 10 s 10 xH 0 xS 1 f 1 i 18 s 8 s 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4274 384(FOIL)N 4432(1)X 432 672(+)N 4428(+)X 20 s 1811 1120(Sendm)N 2256(ail)X 2457(V)X 2572(ersion)X 3004(6)X 2053 1300(Eric)N 2361(A)X 2476(llm)X 2691(an)X 1327 1480(C)N 1433(om)X 1638(puter)X 2008(Science)X 2546(D)X 2661(ivision,)X 3178(EEC)X 3480(S)X 1677 1660(U)N 1792(niversity)X 2394(of)X 2568(C)X 2674(alifornia)X 2008 1840(B)N 2114(erkeley,)X 2666(C)X 2772(A)X 1663 2020(eric@)N 2051(C)X 2157(S.B)X 2392(erkeley.ED)X 3117(U)X 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 2 p 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4274 384(FOIL)N 4432(2)X 432 672(+)N 4428(+)X 20 s 2239 1120(B)N 2345(asics)X 18 s 10 f 720 1379(g)N 1 f 842(U)X 946(pgrade)X 1374(for)X 1578(sendm)X (ail)S 2134(version)X 2594(5)X 10 f 720 1638(g)N 1 f 842(N)X 946(ot)X 1094(Son)X 1354(of)X 1510(Sendm)X 1910(ail)X 10 f 720 1897(g)N 1 f 842(D)X 946(oesn't)X 1334(fundam)X 1774(entally)X 2202(change)X 2646(the)X 2858(deep)X 3166(structure)X 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 3 p 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4274 384(FOIL)N 4432(3)X 432 672(+)N 4428(+)X 20 s 1663 1120(W)N 1814(hat)X 2050(H)X 2165(appened)X 2738(to)X 2903(SoS?)X 18 s 10 f 720 1379(g)N 1 f 842(Tim)X 1082(e)X 1182(problem)X (s)S 10 f 720 1638(g)N 1 f 842(M)X (arket)S 1294(problem)X (s)S 9 f 842 1881(\336)N 1 f 1056(Changes)X 1588(are)X 1800(im)X 1952(portant)X 9 f 842 2124(\336)N 1 f 1056(V)X 1160(endors)X 1580(should)X 2000(adopt)X 10 f 720 2383(g)N 1 f 842(Largely)X 1326(inspired)X 1826(by)X 2006(upcom)X (ing)S 2618(sendm)X (ail)S 3174(book)X 3498(by)X 3678(Bryan)X 842 2545(Costales)N 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 4 p 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4274 384(FOIL)N 4432(4)X 432 672(+)N 4428(+)X 20 s 1682 1120(O)N 1797(verview)X 2353(of)X 2527(D)X 2642(ifference)X 18 s 10 f 720 1379(g)N 1 f 842(RFC)X 1150(1123)X 1474(updates)X 10 f 720 1638(g)N 1 f 842(Som)X 1106(e)X 1206(ID)X 1358(A)X 1498(features)X 1990(incorporated)X 10 f 720 1897(g)N 1 f 842(Elim)X 1122(inate)X 1438(som)X 1678(e)X 1778(\256xed)X 2102(sizes)X 10 f 720 2156(g)N 1 f 842(Incorporate)X 1542(new)X 1818(features)X 9 f 842 2399(\336)N 1 f 1056(ESM)X 1352(TP)X 9 f 842 2642(\336)N 1 f 1056(ID)X 1208(EN)X 1400(T)X 1524(Protocol)X 10 f 720 2901(g)N 1 f 842(Eight)X 1190(bit)X 1378(clean)X 10 f 720 3160(g)N 1 f 842(PO)X (SIX)S 1294(changes)X 10 f 720 3419(g)N 1 f 842(N)X 946(FS)X 1142(changes)X 10 f 720 3678(g)N 1 f 842(Fix)X 1070(D)X 1174(N)X 1278(S)X 1394(problem)X (s)S 10 f 720 3937(g)N 1 f 842(N)X 946(etw)X 1154(ork)X 1382(perform)X 1846(ance)X 2146(enhancem)X 2730(ents)X 10 f 720 4196(g)N 1 f 842(G)X 946(eneralize)X 1502(netw)X 1782(orking)X 2194(\(O)X 2346(SI)X 2510(protocols\))X 10 f 720 4455(g)N 1 f 842(N)X 946(ew)X 1150(con\256g)X 1546(\256les)X 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 5 p %%Page: 5 2 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4274 384(FOIL)N 4432(5)X 432 672(+)N 4428(+)X 20 s 1822 1120(R)N 1928(FC)X 2163(1123)X 2523(C)X 2629(hanges)X 18 s 10 f 720 1379(g)N 1 f 842(\(A)X 994(ctually)X 1422(includes)X 1938(som)X 2178(e)X 2278(old)X 2498(822)X 2750(changes\))X 10 f 720 1638(g)N 1 f 842(Better)X 1230(control)X 1674(over)X 1966(tim)X 2158(eouts)X 2498(\(individually)X 3278(settable\))X 3802(\(1123)X 842 1800(5.3.2\))N 10 f 720 2059(g)N 1 f 842(Send)X 1166(all)X 1346(error)X 1662(m)X 1774(essages)X 2242(as)X 2398(From)X 2710(:<>)X 2948(\(821)X 3248(3.6;)X 3504(1123)X 3828(5.3.3\))X 10 f 720 2318(g)N 1 f 842(N)X 946(ever)X 1230(send)X 1530(errors)X 1902(to)X 2050(<>)X 2248(\(1123)X 2620(5.3.3\))X 10 f 720 2577(g)N 1 f 842(V)X 946(RFY)X 1262(only)X 1554(veri\256es,)X 2050(EX)X 2242(PN)X 2462(expands)X 10 f 720 2836(g)N 1 f 842(Response)X 1430(to)X 1578(RCPT)X 1974(is)X 2106(fast)X 2350(\(1123)X 2722(5.2.7\))X 10 f 720 3095(g)N 1 f 842(H)X 946(andle)X 1294(self)X 1538(dom)X 1794(ain)X 2006(literal)X 2378(\(1123)X 2750(5.2.17\))X 10 f 720 3354(g)N 1 f 842(A)X 946(uto-quote)X 1534(as)X 1690(needed)X 10 f 720 3613(g)N 1 f 842(Log)X 1110(num)X 1366(eric)X 1618(IP)X 1782(addresses)X 2370(\(1123)X 2742(5.2.8\))X 10 f 720 3872(g)N 1 f 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1120(Logging)N 2272(Enhancem)X 2948(ents)X 18 s 10 f 720 1379(g)N 1 f 842(Log)X 1110(levels)X 1482(rationalized)X 842 1622(1)N 1202(serious)X 1646(failures,)X 2150(security)X 2642(problem)X (s)S 842 1784(2)N 1202(lost)X 1446(com)X (m)S 1806(unications,)X 2470(protocol)X 2986(failures)X 842 1946(3)N 1202(other)X 1534(serious)X 1978(failures)X 842 2108(4)N 1202(m)X 1314(inor)X 1582(errors)X 842 2270(5)N 1202(m)X 1314(essage)X 1726(collection)X 842 2432(6)N 1202(V)X 1306(RFY)X 1586(/EX)X (PN)S 2038(logging,)X 2550(creation)X 3050(of)X 3206(return-to-sender)X 842 2594(7)N 1202(delivery)X 1710(failures)X 842 2756(8)N 1202(delivery)X 1710(successes)X 842 2918(9)N 1202(delivery)X 1710(tem)X 1926(pfails)X 2282(\(queue)X 2710(ups\))X 842 3080(10)N 1202(database)X 1734(expansion)X 842 3242(>64)N 1202(debugging)X 10 f 720 3501(g)N 1 f 842(Log)X 1110(relays)X 1490(\(incom)X (ing)S 2118(and)X 2362(outgoing\))X 10 f 720 3760(g)N 1 f 842(Log)X 1110(alias)X 1410(and)X 1654(forw)X 1926(arding)X 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 12 p 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4242 384(FOIL)N 4400(12)X 432 672(+)N 4428(+)X 20 s 1984 1120(U)N 2099(ser)X 2326(D)X 2441(atabase)X 18 s 10 f 720 1379(g)N 1 f 842(Still)X 1118(in)X 1266(developm)X (ent)S 10 f 720 1638(g)N 1 f 842(Intended)X 1382(to)X 1530(unify)X 1870(m)X 1982(ail)X 2162(and)X 2406(\256nger)X 2778(in)X 2926(a)X 3026(cam)X 3266(pus)X 842 1800(environm)N (ent)S 10 f 720 2059(g)N 1 f 842(U)X 946(ltim)X 1178(ately)X 1494(to)X 1642(have)X 1950(G)X 2054(rapevine-style)X 2906(lists)X 10 f 720 2318(g)N 1 f 842(D)X 946(istributed)X 1526(update)X 1946(using)X 2294(K)X 2398(erberos)X 2858(authentication)X 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 13 p %%Page: 13 4 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4242 384(FOIL)N 4400(13)X 432 672(+)N 4428(+)X 20 s 1403 1120(B)N 1509(etter)X 1835(Error)X 2215(C)X 2321(ondition)X 2896(H)X 3011(andling)X 18 s 10 f 720 1379(g)N 1 f 842(Check)X 1246(for)X 1450(m)X 1562(ism)X 1770(atched)X 2182($)X 2 f (N)S 1 f 2386(w)X 2490(hen)X 2734(reading)X 3202(con\256g)X 3598(\256le)X 10 f 720 1638(g)N 1 f 842(Check)X 1246(for)X 1450(m)X 1562(issing)X 1934(A)X 2038(=)X 2155(or)X 2311(P=)X 2508(argum)X 2876(ents)X 3144(in)X 3292(m)X 3404(ailer)X 842 1800(de\256nitions)N 10 f 720 2059(g)N 1 f 842(Im)X (proved)S 1438(m)X 1550(essages)X 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 14 p 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4242 384(FOIL)N 4400(14)X 432 672(+)N 4428(+)X 20 s 1384 1120(M)N 1526(iscellaneous)X 2349(Enhancem)X 3025(ents)X 3323(\(1\))X 18 s 10 f 720 1379(g)N 1 f 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3710(g)N 1 f 842(Q)X 946(ueue)X 1254(ids)X 1458(are)X 1670(longer)X 2074(\(unique)X 2550(per)X 2770(day\))X 10 f 720 3969(g)N 1 f 842(Better)X 1230(error)X 1546(printing)X 9 f 842 4212(\336)N 1 f 1056(M)X (ore)S 1404(gentle)X 1792(printing)X 2284(of)X 2440(errno)X 2780(inform)X (ation)S 9 f 842 4455(\336)N 1 f 1056(Print)X 1372(pre-aliasing)X 2088(nam)X (es)S 2492(in)X 2640(error)X 2956(m)X 3068(essages)X 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 15 p 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4242 384(FOIL)N 4400(15)X 432 672(+)N 4428(+)X 20 s 1384 1120(M)N 1526(iscellaneous)X 2349(Enhancem)X 3025(ents)X 3323(\(2\))X 18 s 10 f 720 1379(g)N 1 f 842(/etc/sendm)X 1466(ail.pid)X 1866(\256le)X 10 f 720 1638(g)N 1 f 842(Consider)X 1398(tw)X (o)S 1650(users)X 1982(using)X 2330(the)X 2542(sam)X (e)S 2874(program)X 3398(``different'')X 10 f 720 1897(g)N 1 f 842(D)X 946(ynam)X (ically)S 1622(allocate)X 2106(header)X 2526(buffer)X 10 f 720 2156(g)N 1 f 842(M)X (ailstats)S 1406(program)X 1930(prints)X 2294(m)X 2406(ailer)X 2698(nam)X (es)S 10 f 720 2415(g)N 1 f 842($@)X 1082(on)X 1262(LH)X 1454(S)X 1570(m)X 1682(eans)X 1974(``m)X 2182(atch)X 2458(zero'')X 10 f 720 2674(g)N 1 f 842(M)X (any)S 1214(m)X 1326(inor)X 1594(bug)X 1846(\256xes)X 2154(\(e.g.,)X 2482(backslashes)X 3198(inside)X 3578(of)X 3734(quotes\))X 10 f 720 2933(g)N 1 f 842(Checkpoint)X 1542(queue)X 1922(after)X 2222(N)X 2362(deliveries)X 10 f 720 3192(g)N 9 f 842(-)X 1 f 921(p)X 1029(com)X (m)S 1389(and)X 1633(line)X 1885(\257ag)X 2137(to)X 2285(pass)X 2569(in)X 2717(protocol)X 3233(inform)X (ation)S 9 f 842 3435(\336)N 1 f 1056(e.g.,)X 9 f 1336(-)X 1 f 1415(pU)X 1591(U)X 1695(CP:ucbvax)X 10 f 720 3694(g)N 9 f 842(-)X 1 f 921(B)X 1053(com)X (m)S 1413(and)X 1657(line)X 1909(\257ag)X 2161(to)X 2309(pass)X 2593(in)X 2741(body)X 3065(type)X 10 f 720 3953(g)N 1 f 842(Special)X 1302(hook)X 1626(for)X 1830(rew)X 2046(riting)X 2394(after)X 2694(aliasing)X 3178(\(ruleset)X 3646(5\))X 10 f 720 4212(g)N 1 f 842(D)X 946(efault)X 1310(clause)X 1706(in)X 1854(host)X 2130(canoni\256cation)X 2982(\($[)X 3186(...)X 3330($:)X 3478(default)X 3914($]\))X 10 f 720 4471(g)N 1 f 842(H)X 946(ost)X 1150(canoni\256cation)X 2002(appends)X 2510(dot)X 2730(on)X 2910(successful)X 3538(lookup)X 8 s 432 5856(+)N 4428(+)X 9 f 1878 5952(\323)N 1 f 1945(1993)X 2089(Eric)X 2211(Allman)X 2419(\320)X 2499(All)X 2597(Rights)X 2781(Reserved)X 16 p 8 s 8 xH 0 xS 1 f 1 i 4082 192(Eric)N 4204(P.)X 4272(Allman)X 4272 288(93.4.21)N 4242 384(FOIL)N 4400(16)X 432 672(+)N 4428(+)X 20 s 1470 1120(N)N 1585(ew)X 1811(and)X 2082(C)X 2188(hanged)X 2690(O)X 2805(ptions)X 3237(\(1\))X 18 s 10 f 720 1379(g)N 1 f 842(b)X 950(\320)X 1130(m)X 1242(inim)X 1506(um)X 1726(num)X 1982(ber)X 2202(of)X 2358(free)X 2618(blocks)X 3030(in)X 3178(queue)X 3558(directory)X 10 f 720 1638(g)N 1 f 842(C)X 974(\320)X 1154(set)X 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