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QK SMTP Server

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.

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FAQ from SMTP Server Users
FAQ - Socket Error
FAQ - SMTP Error

How to Make SMTP Setting with Mail Clients and ASP code?
What is SMTP?
What is Spam?
What is not Spam?
What is Mailbomb?
Why E-mail Bounce?

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QK SMTP Server - send emails amazingly!

QK SMTP Server 3.01

QK SMTP Server is a powerful and easy-to-use smtp server software, which can send e-mails from local host to the recipients' mailboxes directly at high speed. It will inform you that the e-mails were sent successfully or not.

QK SMTP Server can work with most mail client softwares, including Outlook Express, Eudora, IncrediMail, the Bat!, Mutt, KMail, Pegasus, DevMail, Mail Bomber, Delta Mail, Foxmail, and more! By working with QK SMTP Server, these email sender softwares can improve themselves performances as well.

  • Send email fast from localhost!
  • Powerful but extremely easy-to-use!
  • Work with most mass email sender programs!
  • Detailed settings of sending mails
QK SMTP Server main interface

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  • Add binding IP to server function.
  • binding IP

    If the user has only one network card, his IP includes the default IP and LAN or WAN IP; If he has two or more than two network cards, the IP can not be controlled easily. The binding IP to server function can control IP, only the binding IP can be accessed.

  • DNS Servers.
  • DNS Server

    Use the DNS server to attain the domain name of the recipients' address when directly deliver, so please input valid DNS servers in "User DNS Servers". Each line matches with one DNS server address, and no quantity limitted for these lines. The DNS servers will be used as sequently, so please put the faster and steadier DNS servers in 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 deal with E-mail address.

  • Settings of domain name sending rule.
  • Direct delivery retry attempts

    Direct delivery retry attempts or Relay delivery retry attempts: set the retry attempts numbers which retry attempts to submit mails to the recipients. When the senders know that it is impossible for the recipients to receive the mails via "directly sending" mode, he can set the retry attempts, i.e. choose the "Delivery via relay smtp server" mode.   See more...

  • Relay Server Settings.
  • Relay SMTP Server

    For failed delivery, Delay between retries in seconds: Set "delay between retries" can improve the sending efficiency. When the former mail is failed, the latter mails will be aheaded during the delay process, the speed and efficiency of sending mails could be improved.

    See more...

  • Fast mailing with multithreads technology.
  • thread

    You can send mails directly from your own computer via QK SMTP Server instead of waiting for connecting and adopting your ISP's SMTP server. By setting the number of send threads  (1~100), you can complete sending 500~2000 mails in one minute.

  • Get correct and instant feedback.
  • Get correct and instant feedback

    You also can get correct and instant feedbacks from the recipients' mail server after sending mails at high speed via QK SMTP Server.

    Free Download (1.74MB)

    Buy Now ($34.95)

  • Supports SMTP Authentication before sending emails.
  • SMTP Authentication

    QK SMTP Server provides SMTP Authentication. Therefore you can remove those anonymous users who may abuse your computer.

  • Mail queue management.
  • Mail queue management

    QK SMTP Server allows you to check and manage email delivery and receiving process. You can empty all the delivery and receiving logs as well as sending email addresses.

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