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Tag: MTA

About that DMARC “exploit”

A security researcher has identified a rendering flaw that allows for “perfect” phishing emails. From his website: Mailsploit is a collection of bugs in email clients that allow effective sender spoofing and code injection attacks. The spoofing is not detected by Mail Transfer Agents (MTA) aka email servers, therefore circumventing spoofing protection mechanisms such as […]

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MessageSystems Acquires Port25

This morning MessageSystems announced they had acquired Port25 systems. These two platforms were some of the powerhouse brands in the email space. Momentum was the system used by big programs that needed precise control over all their mail from many different streams. Port25 was a lower cost but still powerful system that was accessible to […]

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Updates to commercial MTAs

Last week Message Systems announced the release of Momentum 4. This high volume MTA has a large number of features that make it possible for large volume senders to manage their email and their delivery. I had the opportunity to get a preview of the new features and was quite impressed with the expanded features. […]

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You can’t technical yourself out of delivery problems

In many cases these days, many more cases than a lot of senders want to admit, delivery problems at the big ISPs are a result of sending mail recipients just don’t care about. The reason your mail is going to bulk? It’s not because you have minor problems in your headers. It’s not because you […]

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Why do ISPs do that?

One of the most common things I hear is “but why does the ISP do it that way?” The generic answer for that question is: because it works for them and meets their needs. Anyone designing a mail system has to implement some sort of spam filtering and will have to accept the potential for […]

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