tokio_spf_validator

this is a spf validator for smtp servers, it is based on tokio and use trust_dns_resolver for dns queires with default resolver, currently supported features are mx record validation,softfail,domain validation, ipv4 and ipv6 validation, cidr ipv4 and ipv6 validation and redirect support.

sample code

use tokio_spf_validator::{SpfConfig,validate};

#[tokio::main]
async fn main() {

    let config:SpfConfig;
    match SpfConfig::new(){
        Ok(v)=>{config = v;},
        Err(_)=>{
            return;
        }
    }

    if true{
        match validate(
            &config,
            IpAddr::V4(Ipv4Addr::new(209,85,215,172)),
            // IpAddr::V6(Ipv6Addr::new(2404,6800,4000,0000,0001,0000,0000,0000)),
            // IpAddr::V6(Ipv6Addr::new(2607,f8b0,4fff,ffff,ffff,ffff,ffff,ffff)),
            &String::from("mail-pg1-f172.google.com"), 
            &String::from("gmail.com")
        ).await{
            Ok(_)=>{},
            Err(_)=>{}
        }
    }

}