The following entry in my alias file:
everyone:raoraynealharveyudayakouhuroddavisfarhadvdavidhfarhadengyangvogelwartanshawenthomasshenoyjividenmarklingilrieserrjfangweinreichfrankmeadowsjackwkappescjcroninmsaginawsandrinchakrasimaojeffhshenkkorodypetewjeffosnyderschengzengqwugumbeeleonsgkeichermarkgmingyshanzhangyimarionhallj
(which is an ndbm alias file)
produces this when I run
'exim -bv -v everyone'
(gdb) where
#0 0x7b0250fc in strlen ()
#1 0x2bcac in string_copy (s=0x616e7a68 <Address 0x616e7a68 out of bounds>)
at string.c:110
#2 0x28d84 in search_find (handle=0x40008590,
filename=0x40009b08 "/usr/local/lib/exim/aliases",
keystring=0x40009e70 "raoraynealharveyudayakouhuroddavisfarhadvdavidhfarhadengyangvogelwartanshawenthomasshenoyjividenmarklingilrieserrjfangweinreichfrankmeadowsjackwkappescjcroninmsaginawsandrinchakrasimaojeffhshenkkorody"..., type=1)
at search.c:364
#3 0x30308 in aliasfile_director_entry (dblock=0x4000cfc0, addr=0x40001d60,
addr_local=0x7b033898, addr_remote=0x7b03389c, addr_new=0x7b0338a0,
verify=1) at aliasfile.c:225
#4 0x16aac in direct_address (addr=0x40009c18, addr_local=0x7b033898,
addr_remote=0x7b03389c, addr_new=0x7b0338a0, verify=1) at direct.c:401
#5 0x2df00 in verify_address (s=0xaaf4 "", is_recipient=43008, local=44048,
f=0x40001018, local_domain=0x0, newaddress=0x0, log_details=0,
address_test=0) at verify.c:170
#6 0x18a40 in main (argc=4, argv=0x7b0333e8) at exim.c:1118
(gdb)