Network.DomainAuth.SPF

A library for SPF(http://www.ietf.org/rfc/rfc4408) and Sender-ID(http://www.ietf.org/rfc/rfc4406).

Documentation

runSPF :: Limit -> Resolver -> Domain -> IP -> IO DAResult

Process SPF authentication. IP is an IP address of an SMTP peer. If Domain is specified from SMTP MAIL FROM, authentication is based on SPF. If Domain is specified from the From field of mail header, authentication is based on SenderID. If condition reaches Limit, SpfPermError is returned.

data Limit

Limit for SPF authentication.

Constructors

Limit

Fields

limit :: Int

How many "redirect"/"include" should be followed.

ipv4_masklen :: Int

Ignoring IPv4 range whose mask length is shorter than this.

ipv6_masklen :: Int

Ignoring IPv6 range whose mask length is shorter than this.

reject_plus_all :: Bool

Whether or not "+all" is rejected.

defaultLimit :: Limit

Default Limit. limit is 10. ipv4_masklen is 16. ipv6_masklen is 48. reject_plus_all is True.