SMTP Express Pro builds upon the standard version and adds many new features including, I/O optimizations, a plug-in API, domain specific settings, and much more.
Up to 256 Outbound Connections - Sends up to 256 messages simultaneously, increasing the throughput of the standard version by as much as 400%..
Multiple Connections Per Domain - SMTP Express Pro can establish more than one connection per domain, which increases throughput to popular e-mail domains like yahoo.com, hotmail.com, aol.com, etc...
Limit the Number of Messages Per Connection - Limiting the number of messages per connection provides further control over how many connections are established per domain, plus provides the added benefit of bypassing SMTP server spam filters that are governed by the number of messages per connection.
Create Specific Rules for Specific Domains For any specific domain you can set the below attributes:
- Define a unique SMTP server & port number to accept the delivery from SMTP Express Pro.
- Specify the maximum number of messages to send on a connection.
- Set a timeout value.
Monitor Delivery from your Apps - SMTP Express Pro can interface with your custom DLL to provide status information.
Other Features Include:- Increased performance and domain resolution
- Control the domain name sent with the SMTP HELO command
- Specify the timeout value of the SMTP connection
- Specify the sender address of failed messages. Defaults to postmaster@<yourdomain.com>
- Change the "pickup" directory
- Specify the maximum header size accepted by SMTPExpress
- Enable detailed protocol logging
- SMTP Express Pro is only supported on WinNT/2000/XP