PowerMTA: Why to choose PowerMTA for in-house email deliverability?

So you decided to take the path of in-house deliverability (see our article regarding this topic), but there is one more thing to think about: Which is the sending solution to pick out from the others? By Postmastery, we made up our mind and decided — as well as becoming both an authorized retailer and […]

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Categories: General, PowerMTA

Email domains best practices

Email domains are important for identification, trust and reputation. But emails can embed many domains used for different purposes. They are listed below: IP hostname Envelope sender domain From header domain Reply-To header domain Sender header domain Message-ID domain DKIM signing domain Image URI domain(s) Link URI domain(s) This post provides some background on these […]

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Categories: Authentication, Deliverability, General

SFR incoming email authentication

With the growing strength of phishing campaigns, incoming message authentication has become an important issue for ISPs to protect their users. Various standards exist to authentify outgoing email messages. Since September 2011, SFR has decided to verify the authenticity of incoming emails according to SPF standard and might be thinking of an upcoming implementation of […]

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Categories: Deliverability, General

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