Contributors in Other
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challenge-response system
Software; Email
An anti-spam program that requires a human being on the sender's end to respond to an emailed challenge message before their messages can be delivered to recipients. Senders who ...
click-through rate
Software; Email
Total number of clicks on email link(s) divided by the number of emails sent. Includes multiple clicks by a unique user. Some email broadcast vendors or tracking programs define ...
clickthrough rate (CTR)
Software; Email
Slightly inexact because some clicks "get lost" between the click and your server. Also be sure to ask if the CTR is unique, meaning that each individual user is only counted once ...
shared server
Software; Email
An email server used by more than one company or sender. Shared servers are less expensive to use because the broadcast vendor can spread the cost over more users. However, ...
simple mail transfer protocol (SMTP)
Software; Email
The most common protocol for sending email messages between email servers.
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