Ask HN: Best way to add “View in Browser Link” to emails with PostMark

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Hi All,

I'm currently using PostMark for transactional email (very pleased with the service, fwiw!). At the moment, I'm stuck trying to think of the best way to go about adding a "View in Browser" link to some of the transactional emails that we send out. It's not surprising how many email clients are still blocking images or rendering CSS poorly, so I'm just looking for a way to give users the ability to view the email in the browser so it's displayed in the way it was intended/designed.

For some background, the application is developed in Python (the front-end is a flask app, and we're using Falcon for our back-end API).

I'm just after some advice for those who are either existing PostMark users on how they went about adding this functionality, or any other feedback on the best way to do this without over-engineering something which could have a relatively easily solution. I have a few ideas, but interested to see if there's a better way to go about doing this.

Thanks in advance!