When email addresses are sent via API into Bluecore, the system first normalizes the email then validates it.

Normalization rules

Bluecore applies the following normalization rules:

• All letters are converted to lowercase.
• Leading whitespace is removed, for example:
  • New line (\n or \r\n)
  • Space ( )
  • Tab (/t)

Validation rules

Bluecore applies the following to validation rules:

• Maximum of 254 characters.
• Can't begin or end with the following characters:
  • Comma (,)
  • Period (.)
  • At sign (@)
• Can't contain the following characters:
  • Backslash (\)
  • Backtick (`)
  • Bytes 0-16 (0x00 through 0x10)
  • Colon (:)
  • Double quote (")
  • Greater than sign (>)
  • Less than sign (<)
  • Parenthesis (( or ))
  • Semicolon (;)
  • Space ( )
  • Square brackets ([ or ])