Add basic sanitization by removing Unicode control characters, whitespaces from Email Address fieldNew
Today, if a Marketo user is entering email addresses into their system, there is no sanitization of characters that may not be allowed by RFC 6530. While the majority of Unicode is technically valid for an email address, the standard itself notes:"The local parts of those addresses MAY be made up of any ASCII characters except the control characters that RFC 5321 prohibits, although some of them MUST be quoted as specified there."If we cross-reference this section of RFC 5321, you'll notice that it explicitly calls out that the specific characters noted are "control characters (US-ASCII 0-31 and 127; inclusive)". Likewise, any form of whitespace is explicitly excluded from the email spec: RFC 5321, Section 4.1.2 defines the syntax for mailbox, local-part, and domain, which excludes whitespace and RFC 5322, Section 3.2.3 details the allowed characters (atext) for atoms and dot-atoms, excluding whitespace. Recently, I was working with a client who had a record's email address f
