mail-source-imap-streams

mail-source-imap-streams is a variable defined in `mail-source.el'.
Its value is

((const gssapi)
 (const kerberos4)
 (const tls)
 (const ssl)
 (const network)
 (const shell)
 (const starttls))

• This variable may be risky if used as a file-local variable.

Documentation:
Not documented as a variable.