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A more resilient & private mailbox design
Each mailbox is represented as an encrypted, sequential log of events
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Add or remove an email
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Add or remove a flag (like seen/unseen)
Goals
Aerogramme log design enables the following properties:
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Privacy friendly
Encrypted at the user level
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Compatible
Compatibility with existing protocols is kept.
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Easy to operate
Running mutliple instance is easy, no possible mailbox conflicts
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Highly resilient
datacenter failures, sysadmin failures,
Keeping requirements low
We worked hard to keep requirements as low as possible:
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Any x86_64 CPU from the last 10 years, ARMv7 or ARMv8
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CPU
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1 GB
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RAM
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At least 16 GB
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Disk space
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200 ms or less, 50 Mbps or more
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Network
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Build a cluster with whatever second-hand machines are available
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Heterogeneous hardware
It works with your email client
Aerogramme integrates into your existing workflow:
Aerogramme implements the IMAP protocol
and thus is already compatible with many applications.
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Standing on the shoulders of giants
Aerogramme leverages insights from research & other software:
- Managing update conflicts in Bayou, a weakly connected replicated storage system by Terry et al.
- Designing a Planetary-Scale IMAP Service with Conflict-free Replicated Data Types by Jungnickel et al.
- Technology for Resting Email Encrypted Storage (TREES) used by Rise Up.
- Dovecot Obox Plugin by Open-Xchange.
Sponsors and funding
A member of the Deuxfleurs association has received a grant from NLnet, to fund his working on Aerogramme full-time for a year : from March 2023 to February 2024.
If you want to fund Aerogramme development past its initial grant, either through donation or support contract, please get in touch with us
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This project was funded through the NGI Assure Fund, a fund established by NLnet with financial support from the European Commission's Next Generation Internet programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 957073.