2017-08-18, 06:11
This error message is strange, because on our side everything seems to work. However, the domain montac.com cannot be resolved, which might be the reason for the error message. The whois record of montac.com lists the nameserver xx.montac.net. But montac.net again shows nameservers xx.montac.net.
Almost no MTA will accept emails from a domain without an IP because of spam protection.
You can also try mail at lightningmaps.org which is another mail server.
Almost no MTA will accept emails from a domain without an IP because of spam protection.
You can also try mail at lightningmaps.org which is another mail server.