For support requests related to the wallet or its affiliated custodians, you can send an email to [email protected]
Alternatively, if the question is of public significance, or does not involve sensitive information, you can post in our ANN thread / PM our account on bitcointalk
For extremely sensitive issues you can encrypt your message using the following PGP key:
1CE3 A7D2 4275 2B94 70F6 585F 9123 3C86 5A2C AC09
Note: Never send your private keys, wallet seeds, and or any other private information to anyone. Be aware: certain support requests could potentially deanonymize you.