Help
Which emails you receive is your choice.
The pre-launch list sends updates about Sigma membership opening. Commitment is a separate editorial subscription. Member service emails concern your account and the service you use.
Manage your preferences.
Use the preference or unsubscribe link in an email to change the optional messages you receive. Unsubscribing from optional updates does not close your account. Essential account and service messages are separate.
Need help?
Contact service@365sigma.com if you cannot find a preference link or have a question about a message.