Local part consists of up to 64 characters and is chosen by the email account owner or administrator.
2) Domain part
Could be custom domain, company, organization providing the email service, ISP provider. The domain name part of an email address has to conform to strict guidelines: it must match the requirements for a hostname, a list of dot-separated DNS labels, each label being limited to a length of 63 characters.
3) “At” sign
Officially, this symbol is called commercial at. Unofficially, most people seem to refer to it as the at sign or just at. Recently, there has also been a movement to call it the “atmark”. There are also numerous nicknames for it, including snail, curl, strudel, whorl, and whirlpool.
apenstaartje – Dutch for “monkey’s tail”
snabel – Danish for “elephant’s trunk”
kissanhnta – Finnish for “cat’s tail”
klammeraffe – German for “hanging monkey”
papaki – Greek for “little duck”
kukac – Hungarian for “worm”
dalphaengi – Korean for “snail”
grisehale – Norwegian for “pig’s tail”
sobachka – Ukrainian for “little dog”
We believe that there are more funny names for @ sign than gathered above. Tell us how @ sign is called in your country or probably your own nickname for it.
Looking forward to your comments.