Sometimes it is good to refresh your memory on best practice when it comes to email marketing to ensure you are doing it right. Here are some gentle reminders that you could go through against the next piece of content you are planning to release:
Always give your reader the option of opting in to future content – or opting out and ensure the unsubscribing mechanism is as easy as the opt-in one. It could mean that they will revisit you later and opt-in when they are in the market for what you have on offer.
Ensure that your timing is impeccable – for instance people tend to check their mail on their mobile devices on their way to work so there is really no point in trying to reach them at 11pm at night.