SES Dedicated IP sends are higher than ISP capacity.

From the screenshot it seems you are referring to following metrics in SES console [1] :

Sends for ISP (red bars) – The volume of email you sent in the last 24 hours through the selected ISP.
Capacity for ISP (blue line) – The selected ISP’s available capacity during the last 24 hours.

I would like to inform you that whether Dedicated IP addresses is standard or managed, most ISPs only track the reputation of a given IP address if they receive a significant volume of mail from that address [2].

When you are using Dedicated IP addresses (managed) your dedicated IP addresses are warmed up automatically for each IP in the managed pool by using an adaptive warmup strategy (in conjunction with the SES shared pool) that takes into account actual sending patterns to optimize the warmup for each ISP individually. The managed IP pool automatically scales out per ISP based on usage and consideration of ISP-specific policies.

And there are scenarios when "Sends for ISP" can be more than "Capacity for ISP" :

1. If there's an unexpected surge in email sending, that exceeds the ISP capacity.
2. If an ISP suddenly reduces its acceptance rate.

Based on such behavior the reputation of an IP address in the dedicated IPs can be impacted [3].

[1] https://docs.aws.amazon.com/ses/latest/dg/managed-dedicated-sending.html [2] https://docs.aws.amazon.com/ses/latest/dg/dedicated-ip.html#dedicated-ip-sending-volumes [3] https://docs.aws.amazon.com/ses/latest/dg/dedicated-ip.html#dedicated-ip-managed-reputation

Hi!

Thanks for your answer.

I'm still slightly confused since my impression was that this is something that SES will handle for us automatically by staying under the ISP capacity. Is there work that needs to be done on my side?

Thanks