| Feature |
EM |
FS |
WM |
| Unlimited recipients |
 |
 |
 |
Universal character set
support
Necessary to support messages created in any language |
 |
 |
 |
| Unlimited file attachments |
 |
 |
 |
| Automatic MIME encoding |
 |
 |
 |
| Quick message (one line of
code) |
 |
 |
 |
| Custom headers |
 |
 |
 |
| Fully managed code |
 |
 |
|
| Progress monitoring |
 |
 |
|
| Distributable |
 |
* |
|
| HTML messages with
alternative body text |
 |
 |
|
| File logging |
 |
 |
|
Message queuing
Necessary for high volume throughput and fail-safe
delivery |
** |
** |
|
| Custom headers for body parts
and attachments |
 |
|
|
| Embedded images in HTML |
 |
|
|
Automatically creates
alternative body text
Necessary to support mail readers that do not understand HTML |
 |
|
|
| XML and RTF message bodies |
 |
|
|
SMTP authentication
Necessary for mail servers that require a logon |
 |
|
|
Ability to send multiple
message per connection
Necessary for high volume throughput |
 |
|
|
| Delivery status notification
control |
 |
|
|
ESMTP pipelining
Necessary for high volume throughput |
 |
|
|
| Importing of message data |
 |
|
|
| Automatic importing of
embedded HTML images |
 |
|
|
| Create and save a message
file |
 |
|
|
Backup SMTP servers
Necessary for fail-safe delivery |
 |
|
|
| Configurable ports |
 |
|
|
| Configurable timeouts |
 |
|
|
| Ability to relay a message |
 |
|
|
| SSL connections (with
optional SSL Plug-in) |
 |
|
|
| S/MIME Messages (with
optional S/MIME Plug-in) |
 |
|
|
| Asynchronous Communications |
 |
|
|
| Initialize Property Defaults
from Web.config and machine.config |
 |
|
|
| Add attachments from URI/URL |
 |
|
|
| Compact Framework Support |
 |
|
|
|
Automatic bulk mail merge with DataSet, DataTable or IDataReader |
 |
|
|
| Email address validation |
 |
|
|
| Use .Net web controls in HTML
messages |
 |
|
|
| Import message from a URI/URL |
 |
|
|
| Message queuing with third
party SMTP servers such as Microsoft SMTP Server, iMail and Merak. |
 |
|
|
|
Disposition notifications |
 |
|
|
| Send custom SMTP commands |
 |
|
|
| Message class serialization |
 |
|
|
| Ability to Cancel a Message
in Progress |
 |
|
|