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September 22nd service issues

Over the past few days, Postmark has experienced volatility in API response times and email delivery times. We owe everyone an explanation. The majority of the issues were due to increased load on our MySQL database servers, mostly caused by disk IO saturation. On Tuesday, September 22nd this came to a head when we experienced severe email delays and culminated in us having to perform an emergency maintenance, bringing the entire application down to failover to a second MySQL server.

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How to easily add a sender image to Gmail, Thunderbird, Postbox, Airmail and more

In a previous post we discussed why it’s a good idea to include an image of the person who “sends” a transactional email. Adding an image of the person who sent your transactional email increases its value because it becomes more personal and friendly to recipients of it. When your transactional email is personalized and friendly, users open and act on them more.

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