ISP Content Filtering
by Justin Premick on September 21st, 2006While ISPs still use IP blacklists to try to keep spam off of their systems, they increasingly use other tactics to keep their users’ inboxes clear of spam while still delivering requested messages.
One commonly used method is content filtering.
This tactic, while designed to help ISPs combat spam, can occasionally affect your permission-based email marketing campaigns too.
Fortunately, with a little understanding about how content filters work, you can reduce the likelihood of them affecting your messages.
Continue reading “ISP Content Filtering”
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AWeber is Compliant with MSN/Hotmail’s Sender ID Changes.
by Tom Kulzer (AWeber CEO) on June 24th, 2005Microsoft has begun Sender ID look ups, displaying a large yellow alert box called a “safety bar” above messages that are not authenticated. Sender ID is the Microsoft implementation of the popular SPF authentication system which indicates which IP
addresses a specific Sender or Return Path is permitted to send from.
The safety bar will alert recipients that, “The sender of this message could not be verified by Sender ID.”
Continue reading “AWeber is Compliant with MSN/Hotmail’s Sender ID Changes.”
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