| FEATURE |
Comment |
PowerTCP Mail |
AspNetMail |
EasyMail.NET |
CurveMail |
| Base Functionality |
Construct / Send emails |
 $499 |
$250 |
$499 |
$425 |
| MIME Parsing |
Parse email messages. |
Yes |
$250* |
|
|
| Database Mail Merge |
Use ADO.NET to send emails |
No |
Yes |
Yes |
Yes |
| Integrated POP3 Client |
Download email from a POP3 server |
Yes |
$350* |
Yes |
Yes |
| Integrated IMAP4 Client |
Manipulate email on an IMAP4 server |
Yes |
$350* |
Yes |
Yes |
| SOCKS Proxy Support |
Send / receive email through a proxy server |
Yes |
Yes |
No |
Yes |
| TLS/ SSL Support |
Secure TCP/IP connections |
$599* |
Free Plugin |
$499* |
Yes |
| Digest-MD5 authentication |
Considered much more more secure than CRAM-MD5 |
No |
No |
No |
Yes |
| NTLM authentication |
Windows network SMTP authentication for Active Directory |
No |
No |
Free Plugin |
Yes |
| Address Validation |
Validate email addresses |
No |
$350* |
$249* |
Yes |
| S/MIME |
Message signing and encryption |
No |
No |
$499* |
Yes |
| vCard Support |
Create contact cards |
No |
Yes |
No |
Yes |
| iCalendar Support |
RFC2545 calendaring |
No |
Yes, partial implementation |
No |
Yes |
| Clickthrough Capture |
Redirect URLs to capture page |
No |
No |
No |
 Yes |
| Total Cost |
|
$599 |
$1500 |
$1250 |
$425 |
| * = requires purchase of separate API |