mailstorm
email
email storm
grundle
listserv
huddle
legion
hypermajority
teemingly
school
pack
flock
electronic mail
multitudinousness
readership
distribution list
overmajority
everyone and his brother
everybody and their dog
host
horde
everyone and their brother
everyone and their dog
everyone and their mother
everybody and their brother
email list
congestion
over-crowding
the whole world and his dog
kyoodle
crowdedly
honkingly
thronged
mail bomb
dring
megapopulation
heap
overcrowd
in droves
mailing list
rammed
overpopulous
packed
cybermob
e-fax
rife
megamillion
listserve
mobbed
world