SESMailer is a Windows desktop client for Amazon Simple Email Service, which is a highly scalable email delivery service.
It's a full featured multi-threaded newsletter, bulk email and email marketing software. SESMailer runs on Windows XP, Vista, 7, 8 and will let you:
•Get your email campaign running within minutes with a help of simple Wizard
•Send hundreds of thousands of emails within hours with high delivery rate (10+ threads are supported)
•Deliver individual custom messages to each recipient with unlimited number of custom fields
•Utilize the powerful Amazon SES (subscription is quick and is on pay-as-you-go basis)
•Bring your own mail list in CSV format with unlimited number of custom fields