Amazon SES 推出了 Dedicated IP Pool：「New – SES Dedicated IP Pools」，也就是發信時可以使用自己專屬的 IP address。
Today we released Dedicated IP Pools for Amazon Simple Email Service (SES). With dedicated IP pools, you can specify which dedicated IP addresses to use for sending different types of email.
價錢其實不算貴？每個 IP 的費用是 USD$24.95/month，對於量夠大的單位可以避免被其他人影響：
Dedicated IPs are $24.95 per address per month at the time of this writing – but you can find out more at the pricing page.
不過 SES 用起來最痛的問題還是在對於收信人不存在時的 bounce rate...