Hey MindSpore developers:
We plan to upgrade our mailing list system by this Saturday afternoon and there is estimated about one hour of downtime (17:00-18:00，17/04/2021 UTC+8), please avoid of usage during this period, the upgrade details are:
1. Fixed the list command issue when message contains non-ascii characters.
2. Fixed the decode issue when message body encoded.
3. Fixed the multiple domain's tls cert issue in exim4.
4. Fixed the file permission issue among mailman and exim4.
5. Fixed the issue that email to some specific lists are intercepted in exim4.
Sorry for the inconvenience, if you still suffering some mailling issue, please don't be hesitate to contact us:
[1]: https://github.com/mindspore-ai/infrastructure/issues
[2]: mindspore-infra(a)mindspore.cn
Gaohechao
MindSpore Infrastructure Team
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MindSpore社区的开发者:
基础设施团队计划于本周六17点-18点(UTC+8)升级社区邮件列表服务，有收发邮件列表的需求，请避开该时间段。本次升级主要是现有问题修复，包括:
1. 修复outlook邮箱订阅confirm不生效的问题
2. 修复outlook邮箱订阅回复内容乱码的问题
3. 修复exim4配置多域名证书失败的问题
4. 修复exim4与mailman组件日志目录权限冲突的问题
5. 修复创建security关键字邮件列表发送失败的问题
对于本次升级造成的麻烦，深表歉意，如果您在服务使用中还遇到其他问题，请通过以下途径联系我们。
[1]: https://github.com/mindspore-ai/infrastructure/issues
[2]: mindspore-infra(a)mindspore.cn
高鹤超
MindSpore 基础设施团队
