*[**openair5g-user**](mailto:openair5g-user@lists.eurecom.fr): for the users of OpenairInterface. [subscribe](mailto:sympa@lists.eurecom.fr?subject=subscribe%20openair5g-user%20YourFirstName%20YourLastName)[unsubscribe](mailto:sympa@lists.eurecom.fr?subject=unsubscribe%20openair5g-user) [\[archives\]](http://lists.eurecom.fr/sympa/arc/openair5g-user)
*[**openair5g-devel**](mailto:openair5g-devel@lists.eurecom.fr): for the developers of OpenairInterface. [subscribe](mailto:sympa@lists.eurecom.fr?subject=subscribe%20openair5g-devel%20YourFirstName%20YourLastName)[unsubscribe](mailto:sympa@lists.eurecom.fr?subject=unsubscribe%20openair5g-devel) [\[archives\]](http://lists.eurecom.fr/sympa/arc/openair5g-devel)
*[**openaircn-user**](mailto:openaircn-user@lists.eurecom.fr): for the users of OpenairCN. [subscribe](mailto:sympa@lists.eurecom.fr?subject=subscribe%20openaircn-user%20YourFirstName%20YourLastName)[unsubscribe](mailto:sympa@lists.eurecom.fr?subject=unsubscribe%20openaircn-user) [\[archives\]](http://lists.eurecom.fr/sympa/arc/openaircn-user)
*[**openaircn-devel**](mailto:openaircn-devel@lists.eurecom.fr): for the developers of OpenairCN. [subscribe](mailto:sympa@lists.eurecom.fr?subject=subscribe%20openaircn-devel%20YourFirstName%20YourLastName)[unsubscribe](mailto:sympa@lists.eurecom.fr?subject=unsubscribe%20openaircn-devel) [\[archives\]](http://lists.eurecom.fr/sympa/arc/openaircn-devel)
***techs@mosaic-5g.io**: used for any technical issues and questions related to all the OAM platforms including FlexRIC. [subscribe](mailto:sympa@lists.eurecom.fr?subject=subscribe%20mosaic5g_techs%20YourFirstName%20YourLastName)[unsubscribe](mailto:sympa@lists.eurecom.fr?subject=unsubscribe%20mosaic5g_techs) [\[archives\]](http://lists.eurecom.fr/sympa/arc/mosaic5g_techs)
There are some "legacy" mailing lists. They are here for completeness, but _please use the above mailing lists for new messages_
***openair5g-nr@lists.eurecom.fr****:** for developers of the 5G NR project [\[subscribe\]](https://lists.eurecom.fr/sympa/subscribe/openair5g-nr)[\[unsubscribe\]](https://lists.eurecom.fr/sympa/sigrequest/openair5g-nr) [\[archives\]](http://lists.eurecom.fr/sympa/arc/openair5g-nr)
***users@mosaic-5g.io**: was used for the information, news and updates about Mosaic5G (now OAM) to all the members. [subscribe](mailto:sympa@lists.eurecom.fr?subject=subscribe%20mosaic5g_users%20YourFirstName%20YourLastName)[unsubscribe](mailto:sympa@lists.eurecom.fr?subject=unsubscribe%20mosaic5g_users) [\[archives\]](http://lists.eurecom.fr/sympa/arc/mosaic5g_users)
## How to subscribe or unsubscribe to a mailing list
Clicking on the link `[subscribe]` (or `[unsubscribe]`) above should
open your email client. You then simply need to send the email.
Clicking on the link `[subscribe]` (or `[unsubscribe]`) above should open your email client. You then simply need to send the email.
If clicking the above link does not work, manually send an email to `sympa@lists.eurecom.fr`
with the subject `subscribe [list name] [your first name] [your last name]`
(`unsubscribe` instead of `subscribe` to unsubscribe).
If clicking the above link does not work, manually send an email to `sympa@lists.eurecom.fr` with the subject `subscribe [list name] [your first name] [your last name]` (`unsubscribe` instead of `subscribe` to unsubscribe).
`[list name]` is one of `openair5g-user`, `openair5g-devel`, `openaircn-user`,
`openaircn-devel` depending on which mailing list you want to subscribe to
(or unsubscribe).
`[list name]` is one of `openair5g-user`, `openair5g-devel`, `openaircn-user`, `openaircn-devel` depending on which mailing list you want to subscribe to (or unsubscribe).
## How to ask questions on the mailing lists
Refer to [this page](AskQuestions).
At the very minimum, your e-mail should contain the following information:
- A clear subject in your email.
- For all queries there should be \[Query\] in the subject of the email and for problems there should be \[Problem\].
- In case of a problem, add a small description.
- Do not share any photos unless you want to share a diagram.
- OAI gNB/DU/CU/CU-CP/CU-UP configuration file in `.conf` (text) format only. No (Libre/Microsoft) Office files.
- Logs of OAI gNB/DU/CU/CU-CP/CU-UP in `.log` or `.txt` (texr) format only. No (Libre/Microsoft) Office files. No screenshots of logs!
- In case your question is related to performance, include a small description of the machine (Operating System, Kernel version, CPU, RAM and networking card) and diagram of your testing environment.
- Known/open issues are present on [GitLab](https://gitlab.eurecom.fr/oai/openairinterface5g/-/issues), so keep checking.
Always remember: a structured email will help us and the community understand your issues quickly, making it more likely to receive attention.
Refer to [this page](AskQuestions) for more detailed information.