# Postconf 옵션

**URL:** <https://discourse.ubuntu-kr.org/t/postconf/25511>\
**Category:** 자유 게시판\
**Tags:** 팁\_공유\
**Created:** [3월 25, 2022, 1:24오후 UTC](https://discourse.ubuntu-kr.org/t/postconf/25511 "2022-03-25T13:24:20Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![soyeomul](https://discourse.ubuntu-kr.org/user_avatar/discourse.ubuntu-kr.org/soyeomul/32/49_2.png) [@soyeomul](https://discourse.ubuntu-kr.org/u/soyeomul)\
**Post date:** [3월 25, 2022, 1:24오후 UTC](https://discourse.ubuntu-kr.org/t/postconf/25511/1 "2022-03-25T13:24:20Z")

</div>

```plaintext
soyeomul@bionic190316003:~$ postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
compatibility_level = 2
home_mailbox = Mailbox
message_size_limit = 35744
mydestination = $myhostname, yw.$mydomain, localhost, man-on-the-road.yw.$mydomain, red-october.yw.$mydomain
mydomain = doraji.xyz
myhostname = yw-0919.$mydomain
readme_directory = no
recipient_delimiter = +
relayhost = [smtp.gmail.com]:587
sender_dependent_relayhost_maps = hash:/etc/postfix/sender_relay
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options =
smtp_sender_dependent_authentication = yes
smtp_tls_security_level = encrypt
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu/Google-Compute-Engine)
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
smtpd_tls_cert_file = /etc/letsencrypt/live/yw-0919.doraji.xyz/fullchain.pem
smtpd_tls_key_file = /etc/letsencrypt/live/yw-0919.doraji.xyz/privkey.pem
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes
soyeomul@bionic190316003:~$

```

위 처럼 `postconf -n` 은  
공장출시 기본값 대비 바뀐 설정값_만_ 알려줍니다.  
배포판자체에서 바꾼거 그리고 사용자가 집접 바꾼거 모두다요~

함께 알아두면 좋은 명령줄:

> `postconf -d`: 공장출시 기본값. 모두 출력.  
> `postconf -p`: 현재 설정값. 모두 출력.  
> `postconf`: -p 옵션과 동일.

구글 콤푸타 엔진 우분투 18.04 LTS 에서 실험을 마쳤씁니다.  
(Postfix 판번호: 3.3.0 / Ubuntu 18.04.6 LTS)  
해당 실험 SMTP 서버 FQDN: yw-0919.doraji.xyz ;;;

[크롬북에서 적었어요~]

---

<div class="post-metadata">

**Author:** ![soyeomul](https://discourse.ubuntu-kr.org/user_avatar/discourse.ubuntu-kr.org/soyeomul/32/49_2.png) [@soyeomul](https://discourse.ubuntu-kr.org/u/soyeomul)\
**Post date:** [3월 27, 2022, 3:11오후 UTC](https://discourse.ubuntu-kr.org/t/postconf/25511/2 "2022-03-27T15:11:24Z")

</div>

저 위의 예제값은 매일 매일 바뀝니다.  
(따라하면 큰일나여~~~)