In tools such as Mail-Tester you will sometimes see in the Authentication section a line that reads like the following: "[Sender ID] example.com does not allow your server 35.xxx.xxx.xxx to use noreply@example.com" Sender ID is like SPF, but it checks the FROM address, not the bounce address. You do not have a SPF record, please…

To ensure the highest degree of security and stability for our customers, SparkPost will be disabling a number of insecure TLS and stream cipher protocols on October 15. These include TLSv1, ECDHE-RSA-RC4-SHA, RC4-MD5, and RC4-SHA. This change will affect both REST and SMTP injection endpoints. # How will I know if I'm affected? To know…

Free plans with the 100K volume will automatically move to a maximum 3,750 daily limit based on your accounts performance with SparkPost. 15K Free plans are limited to a 750 daily limit for development purposes. If you need a larger limit please consider upgrading to one of our paid plans via the Account/Billing page.

Free plans even with Add-ons such as a dedicated IP or previous overages are still subject to the same Free plan support changes, which means that case support will end on October 16th 2017. You are still able to contact our Billing team via Billing@sparkpost.com should you have any queries on payments etc. All accounts…

Your plan settings will remain as they are now. If you need a larger daily limit, please upgrade to one of our new plans. Please note that daily limits are always based on your account’s sending performance and history with SparkPost and are reviewed on a case by case basis.

The older paid plans no longer offer the ability to add dedicated IPs to your account. If you require dedicated IPs please upgrade to one of our new plans from the Accounts/Billing page. Please note that new plans from 150K upwards include a dedicated IP, allowing you to add an IP Pool and new IP.…

Your monthly cost will remain the same for the lifetime of your account. However, your overages will be capped at your maximum sending from the last 90 days or the published plan volume plus 30%, whichever is the greater. If you intend to send more than your limit, we’d encourage you to take advantage of…

If your sending patterns have not changed, you will be able to stay on your existing price plan indefinitely. When you grow beyond your current sending tier, our prices are industry-leading and will support your growth while providing the best service, support, and deliverability in the industry.

Yes, we now offer a 15K/Month Free Developer Account. It is for developers who would like to experiment with the platform. This option provides a sandbox for ongoing development and testing with the same built-in features and performance as our paid plans, with no time limitation. It comes with: 30 days Case Support— aka “developer…