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QK SMTP Server

QK SMTP Server is a powerful but easy-to-use smtp server software, which can send mails from local host to the recipients' mailboxes directly at an amazingly high speed. Arrived or not, you will get feedback instantly.

QK SMTP Server

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Mail FAQ

How to Make SMTP Setting with Mail Clients and ASP code?

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Settings

DNS servers

-- settings screenshots-7--
It needs use the DNS server to resolve the domain name of the recipients' address when directly deliver, so please input valid DNS servers in "User DNS Servers", Each lines matches with one DNS server address, and the lines are not limited on quantity. The premier DNS server will be used firstly, so please put faster and steadier one in the front.

If you don't input DNS Server or User DNS servers are all invalid, QK SMTP Server will use the default System DNS Servers to resolve E-mail address. We don't recommend to manually set DNS server, QK will automatically gain one to match the system needs. Generally, if you set this option, the final results perhaps has no difference with what you don't set. QK can automatically read and use its default DNS server. Normally, the receiver's address can be analysed.