When I changed the DNS server from hosting provider A to GoDaddy ... You didn't need to own a corresponding SMTP server that would do the sending. But a few years ago, that changed.

The whole thing runs IIS5.0 for web and SMTP and is fed from a seperate SQL ... Unable to bind to the destination server in DNS. <HR></BLOCKQUOTE><BR>However, if I try to use nslookup from the ...

At last, DNS server vendors and protocol makers are responding in a manner similar to the SMTP email vendors of yesteryear by implementing more protections. These include better defaults and new ...

It’s a DNS record that can be set for a domain and will contain a list of IP addresses of the servers that are allowed to send mail on its behalf. With SPF in place, the inbound SMTP server ...

Phishing actors abuse Google's SMTP relay service to bypass ... domain owners create a special DMARC DNS record that includes a directive telling a mail server what to do. These directives are ...