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We'll be performing a database upgrade this Sunday which will result in a 3 hour downtime period for Campaign Monitor this Sunday evening (June 14) at 5pm US Eastern Daylight time (see this in your own time zone). This upgrade is part of a sweeping round of speed improvements we have planned for Campaign Monitor over the coming weeks.

What will this mean for me?

This maintenance period will have the following effects:

• You and your clients will not be able to login to your Campaign Monitor account. If your client does try and log in they'll see a non-branded "Down for maintenance" page letting them know when they should come back and try again.
• Campaigns scheduled to be sent during this period will not go out, but will be sent automatically as soon as the application comes back up. However, subscribes, unsubscribes and bounces will be captured during the downtime and processed into your reports afterwards. Images will continue to load in emails, and clicks and opens will also be recorded.

We will update this post once the application is back up and running and we'll also be updating our Twitter status throughout the maintenance to keep you in the loop. Thanks in advance for your patience while we complete this upgrade.

Update: The maintenance has been completed and was a success, and we have re-enabled account access. Thanks for your patience everyone.