The official differentiation between the two is that spam is unsolicited mail, whereas junk is solicited mail. This means is that spam is the mail that you haven’t asked for or given your information to...

‘Yours faithfully’ is a term is used in a formal letter where the recipient is not acknowledged by name. ‘Best regards’ is a term that is often used for informal letters that are written to friends or close...

‘Yours sincerely’ is commonly used in a formal letter wherein the author knows the name of the respondent. ‘Regards’ is commonly used for informal communication that is written to close friends or relatives.

‘Yours sincerely’ is commonly used in America and in a formal letter wherein the author knows the name of the respondent. ‘Yours faithfully’ is used in a formal letter where the recipient is not acknowledged...