QK SMTP Server 3.01 is a Email Server product from qksoft.com, get 5 Stars SoftSea Rating, QK SMTP Server is a strong 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 is an SMTP server program which can send mails from a local host to the recipients' mailboxes directly and get feedback. QK SMTP Server can work with most mail client software, such as Outlook Express, Eudora, IncrediMail, the Bat!, Mutt, KMail, Pegasus, DevMail, Mail Bomber, Delta Mail and Foxmail. It offers multi-thread technology.
QK SMTP Server has three modes to send emails - directly to recipients' mailboxes, via a transit SMTP Server, or send directly first and if it failed, relay to transit SMTP Server. QK SMTP Server supports SMTP Authentication before sending e-mails.
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 Features
Add binding IP to server function. If the user has only one network card, his IP includes the default IP 127.0.0.1 and LAN or WAN IP; If he has two or more than two network cards, his IP will be more. The binding IP to server function can access IP control. Only the binding IP can access.

History log add search function, can look up mails' particular log and sending failure record. Once you send the log to us, we can assist you quickly find the failure reason.

Settings of domain name sending rule choose delivery modes here

Settings of Relay server can choose whether to use and rename it

Settings of DNS servers can add DNS servers here

Send Mails from local host to the recipients' mailboxes directly

QK SMTP Server can work with most mail clients

QK SMTP Server can work with most mail clients, such as Outlook Express, Eudora, IncrediMail, the Bat!, Mutt, KMail, Pegasus, DevMail, Mail Bomber, Delta Mail, Foxmail, and so on; it can also work with most bulkmail software, let mail clients send newsletters faster.
Fast mailing with multithreads technology

You can send mails directly from your own computer via QK SMTP Server instead of waiting for connecting and applying with your ISP's SMTP server. By setting send thread (1~100), you can complete 500~2000 mails in one minute.
Three modes to send emails

QK SMTP Server boasts three modes to deliver emails:
A: Send directly to recipients' mail boxes;
(In this mode, all emails will arrive destination mail box with an instant feedback.)
B: Send via a transit SMTP Server;
(In this mode, all emails are relayed to your ISP's SMTP Server.)
C: Send directly first; if it failed, relay to transit SMTP Server.
(Emails will be relayed to your ISP's SMTP Server if the first attempt to send directly fails.)

Get correct and instant feedback
You also can get correct and instant feedback from the recipients' mail server when sending mails at a high speed via QK SMTP Server.

Show software interface or Minimize to system tray just by clicking "Ctrl+F11"! Hotkeys can be customized! More handy!

Supports SMTP Authentication before sending emails
QK SMTP Server supports SMTP Authentication before sending emails. Therefore you can kick off those anonymous users who are going to abuse your computer.

Mail queue management
QK SMTP Server allows you to view and manage email delivery and receiving status. You can empty all the delivery and receiving logs as well as exporting email addresses.

Encrypted Authorization

Easy-to-use interface, hotkeys support and on-hand help

Affordable Price The license of this email software is Free Trial Software, the price is $34.95, you can free download and get a free trial before you buy. If you want to get a full or nolimited version of QK SMTP Server, you can buy this email software.