屑俺日記

☆ SMAIL

WindowsのコマンドラインMUA。SMTPのみ、らしい。
引数なしで実行すれば、設定画面が起動した。

C:\Users\%USERNAME%\Documents\smail-v4.31>smail -d -h$MSERVER
 -f"name<$FROM_ADDR>" -sSUBJECT  -FMESSAGE_FILE $TO_ADDR
Recv:[50 bytes] 220 $MSERVER ESMTP Postfix (Debian/GNU)
Send: EHLO $WINDOWS_COMPUTERNAME
Recv:[158 bytes] 250-$MSERVER
250-PIPELINING
250-SIZE 31457280
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING
[250 message ok!]
Send: STARTTLS
Recv:[30 bytes] 220 2.0.0 Ready to start TLS
SSL connection using TLS_AES_256_GCM_SHA384 - TLSv1.3
X509 subject_name: /CN=$MSERVER
X509 issuer_name: /C=US/O=Let's Encrypt/CN=R3
Send: EHLO $WINDOWS_COMPUTERNAME
Recv:[163 bytes] 250-$MSERVER
250-PIPELINING
250-SIZE 31457280
250-ETRN
250-AUTH CRAM-MD5
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING
[250 message ok!]
Send: AUTH CRAM-MD5
Recv:[54 bytes] 334 PDgxMDY5OTYwODc2MTcxODIuMTYzNDM3ODg5MkBvc2FrYT4=
[challenge key : PDgxMDY5OTYwODc2MTcxODIuMTYzNDM3ODg5MkBvc2FrYT4=]
[challenge decode : <8106996087617182.1634378892@osaka>]
Send: ****************************************
Recv:[37 bytes] 235 2.7.0 Authentication successful
Send: MAIL FROM:<$FROM_ADDR>
Recv:[14 bytes] 250 2.1.0 Ok
Send: RCPT TO:<$TO_ADDR>
Recv:[14 bytes] 250 2.1.5 Ok
Send: DATA
Recv:[37 bytes] 354 End data with <CR><LF>.<CR><LF>
Send: From: $ACCOUNT<$FROM_ADDR>
To: $TO_ADDR
Subject: testmail
X-Mailer: SMAIL 4.31
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-2022-JP
Content-Transfer-Encoding: 7bit
Date: Sat, 16 Oct 2021 19:08:11 +0900
Send:
Send: こんにちは。
Send:
Send: テストメール、無事に届いたでしょうか？
Send: ではまた。
Send:
.
Recv:[36 bytes] 250 2.0.0 Ok: queued as 766B740043
Send: QUIT
Recv:[15 bytes] 221 2.0.0 Bye

message.txt は当然、ISO2022-JP。でないと当然文字化けと。
OAuthはまだ試してない。

届いた先のメールヘッダの一部。

From: name<$FROM_ADDR>
To: $TO_ADDR
Subject: testmail
X-Mailer: SMAIL 4.31
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-2022-JP
Content-Transfer-Encoding: 7bit
Date: Sat, 16 Oct 2021 19:08:11 +0900