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Blog : E-mail
E-mail Hosting

Apache SpamAssassin scoring explained

What is Apache SpamAssassin™? Apache SpamAssassin is the open-source anti-spam software used by most Linux based email systems to filter and block unsolicited emails. It is a complex system that is now maintained by the Apache Software Foundation. Apache SpamAssassin is modular and allows for the use of custom tests and score adjustment. How does […]
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DNS E-mail

Extended DNS Records – SPF, DKIM and DMARC

Most of us who have hosted or registered a domain, are familiar with the regular DNS record entries. The A, MX, NS and CNAME records are used on a daily basis and are familiar to most Systems Administrators. SOA records, while a bit less familiar, are also present in every DNS zone as they define the […]
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E-mail Security

Preventing E-Mail fraud….

Email has become the normal communication corridor for most business. As a result, it has been targeted more and more by fraudsters. We are not talking mail scammers here or junk mail. No – we are talking about full-blown mail fraud involving big sums of money. The problem is that we tend to trust email […]
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E-mail

The battle against spam (an internal perspective)

A quick history of Spam…the 70’s In the early days of the internet, email was a safe and trusted messaging system. Sending an email to someone you did not know or have business with was almost unheard of. Email protocols were developed in a trusting environment and very little was written into the protocol as […]
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mail protocols
E-mail

Testing EMail Protocols from the command line

Introduction and tools you will need to test email protocols Have you ever wondered what sort of conversation occurs between mail servers? Here is a guide on MTA-Speak and how to see if your mail server is actually working or not, ordered by email protocols. You will need a telnet client installed to run these tests and some form […]
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SCRUM
E-mail

POP3 or IMAP for my email ?

Setting up your email is often a quick rush “to get it working”. Taking a moment to decide which protocol can save you a lot of headache down the line. What do the available mail protocols mean ? What is the implication of each and why choose a specific one ? POP3 – What is it […]
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