# Mail 및 smtp.office365.com

**URL:** <https://meta.discourse.org/t/mail-and-smtp-office365-com/136872>\
**Category:** Support\
**Created:** [12월 23, 2019, 8:33오전 UTC](https://meta.discourse.org/t/mail-and-smtp-office365-com/136872 "2019-12-23T08:33:52Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![csmu](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/csmu/32/124581_2.png) [@csmu](https://meta.discourse.org/u/csmu)\
**Post date:** [12월 23, 2019, 8:33오전 UTC](https://meta.discourse.org/t/mail-and-smtp-office365-com/136872/1 "2019-12-23T08:33:52Z")

</div>

새로운 Discourse 인스턴스에서 메일이 발송되지 않는 원인을 파악하기 위해 [Troubleshoot email on a new Discourse install - #2](https://meta.discourse.org/t/troubleshooting-email-on-a-new-discourse-install/16326/2) 를 참고하고 있습니다.

[swaks](https://www.jetmore.org/john/code/swaks/)를 사용하여 해당 디바이스에서 메일을 발송할 수 있습니다.

(완전 한정 도메인 이름을 설정한 후) 메일 서버 [smtp.office365.com](http://smtp.office365.com) 587로 telnet 접속이 가능합니다.

production 로그에는 오류가 보이지 않습니다.

```plaintext
tail -f shared/web_only/log/rails/production.log

```

```plaintext
Started POST "/u/action/send_activation_email" for 115.64.14.90 at 2019-12-23 08:20:28 +0000
Processing by UsersController#send_activation_email as */*
  Parameters: {"username"=>"csmu"}
  Rendering text template
  Rendered text template (Duration: 0.1ms | Allocations: 1)
Completed 200 OK in 36ms (Views: 1.0ms | ActiveRecord: 0.0ms | Allocations: 4557)

```

````plaintext
tail -f shared/web_only/log/var-log/mail.log```
을 실행하면 다음과 같은 메시지를 확인합니다.

````

Cannot open main log file “/var/log/exim4/mainlog”

````plaintext

왜 "/var/log/exim4/mainlog"가 잠금 상태이며 ```shared/web_only/log/var-log/mail.log```에서 참조되는 것일까요? 어떤 아이디어가 있으신가요?
````

---

<div class="post-metadata">

**Author:** ![csmu](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/csmu/32/124581_2.png) [@csmu](https://meta.discourse.org/u/csmu)\
**Post date:** [12월 24, 2019, 1:17오전 UTC](https://meta.discourse.org/t/mail-and-smtp-office365-com/136872/2 "2019-12-24T01:17:58Z")

</div>

해당 로그는 오탐(false positive)이었습니다.

주된 문제는 smtp.office365.com과의 연결이었습니다.

1. 장치가 유효한 FQD(Fully Qualified Domain Name, 완전 한정 도메인 이름)를 사용하도록 설정해야 했습니다. 그 전까지  
`telnet smtp.office365.com 587`  
명령은 실패했습니다.
2. yaml 파일에서 올바른 설정, 특히 DISCOURSE\_SMTP\_AUTHENTICATION: login을 설정해야 했습니다.

```plaintext
  DISCOURSE_SMTP_ADDRESS: smtp.office365.com
  DISCOURSE_SMTP_PORT: 587
  DISCOURSE_SMTP_USER_NAME: discourse@domain
  DISCOURSE_SMTP_PASSWORD: "validPassword"
  DISCOURSE_SMTP_AUTHENTICATION: login
  DISCOURSE_SMTP_ENABLE_START_TLS: true

```

1. SiteSetting.notification\_email을 설정해야 했습니다.

```plaintext
./launcher enter web_only
root@discourse-web-only:/var/www/discourse# rails console
[1] pry(main)> SiteSetting.notification_email = "discourse@domain"
[2] pry(main)> exit
root@discourse-web-only:/var/www/discourse# exit

```

1. 컨테이너를 재시작했습니다.

```plaintext
./launcher destroy web_only
./launcher start web_only

```

1. 작업 완료!

---

<div class="post-metadata">

**Author:** ![system](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/system/32/443519_2.png) [@system](https://meta.discourse.org/u/system)\
**Post date:** [1월 23, 2020, 1:18오전 UTC](https://meta.discourse.org/t/mail-and-smtp-office365-com/136872/3 "2020-01-23T01:18:20Z")

</div>

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