Ask How often should a business send emails without annoying their subscribers?

[Meridian]

Finding the right email frequency is something many businesses struggle to get right. Sending too many emails in a short time can push people to unsubscribe or ignore future messages completely. On the other hand, sending too few emails can make subscribers forget why they signed up in the first place. A weekly or biweekly schedule tends to work well for many businesses. What frequency do you think works best for keeping subscribers engaged without making them want to unsubscribe?