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IMAP 手动测试脚本 ​

前提条件 ​

  • IMAP 服务器已启动，监听 127.0.0.1:143。（如端口不同，请将下面所有示例中的端口相应替换。）
  • 已有用户 user1@tio.com，密码为 00000000。
  • 本示例同时提供 telnet 和 curl 两种测试方式。

一、Telnet 交互测试 ​

  1. 启动 Telnet 会话

    bash
    telnet 127.0.0.1 143

    成功连接后，应立即看到类似：

    * OK tio-mail-wing IMAP4rev1 server ready

  2. CAPABILITY

    C: A001 CAPABILITY
S: * CAPABILITY IMAP4rev1 AUTH=LOGIN IDLE UIDPLUS ID LITERAL+
S: A001 OK CAPABILITY completed.

  3. AUTHENTICATE LOGIN（多步 Base64）

    C: A002 AUTHENTICATE LOGIN
S: + VXNlcm5hbWU6               ← “Username:” 的 Base64
C: dXNlcjFAdGlvLmNvbQ==         ← user1@tio.com（Base64）
S: + UGFzc3dvcmQ6               ← “Password:” 的 Base64
C: MDAwMDAwMDA=                 ← 00000000（Base64）
S: A002 OK AUTHENTICATE completed.

  4. ID（客户端标识交换）

    C: A003 ID ("name" "Telnet Client" "version" "1.0")
S: * ID ("name" "tio-mail-wing")
S: A003 OK ID completed.

  5. LIST（列出所有邮箱）

    C: A004 LIST "" "*"
S: * LIST (\HasNoChildren) "/" INBOX
S: A004 OK LIST completed.

  6. LIST 特定文件夹（检查 Trash 是否存在）

    C: A005 LIST "" "Trash"
S: * LIST (\HasNoChildren) "/" INBOX    ← 如果未实现 Trash，则只返回 INBOX
S: A005 OK LIST completed.

  7. CREATE（创建 Trash）

    C: A006 CREATE "Trash"
S: A006 OK CREATE completed.

  8. SELECT（选择 INBOX）

    C: A007 SELECT "Inbox"
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted.
S: * 2 EXISTS
S: * 1 RECENT
S: * OK [UIDVALIDITY 2] UIDs valid.
S: * OK [UIDNEXT 100101] Predicted next UID.
S: A007 OK [READ-WRITE] SELECT completed.

    说明：EXISTS、RECENT、UIDVALIDITY、UIDNEXT 等数值由您后台数据决定，上例仅作演示。

  9. UID FETCH FLAGS（读取所有邮件的标志）

    C: A008 UID FETCH 1:* (FLAGS)
S: * 1 FETCH (UID 1 FLAGS (\Recent))
S: * 2 FETCH (UID 2 FLAGS (\Recent))
S: A008 OK FETCH completed.

  10. UID FETCH 头部字段

    C: A009 UID FETCH 2 (UID RFC822.SIZE FLAGS BODY.PEEK[HEADER.FIELDS (From To Cc Bcc Subject Date Message-ID Priority X-Priority References Newsgroups In-Reply-To Content-Type Reply-To)])
S: * 1 FETCH (UID 2 RFC822.SIZE 345 FLAGS (\Seen) BODY[HEADER.FIELDS (FROM TO CC BCC SUBJECT DATE MESSAGE-ID PRIORITY X-PRIORITY REFERENCES NEWSGROUPS IN-REPLY-TO CONTENT-TYPE REPLY-TO)] {230}
S: Message-ID: <…>
S: Date: Mon, 23 Jun 2025 09:06:36 -1000
S: To: bob@localdomain
S: From: alice <alice@localdomain>
S: Subject: Work
S: Content-Type: text/plain; charset=UTF-8; format=flowed
S: ) 
S: A009 OK FETCH completed.

  11. UID FETCH 全文 BODY[]

    C: A010 UID FETCH 2 (UID RFC822.SIZE BODY[])
S: * 1 FETCH (UID 2 RFC822.SIZE 3451 BODY[] {621}
S: Return-Path: <alice@localdomain>
S: X-Original-To: bob@localdomain
S: Delivered-To: bob@localdomain
S: Received: from …
S: …
S: work
S: )
S: A010 OK FETCH completed.

  12. LOGOUT（登出并断开）

    C: A011 LOGOUT
S: * BYE tio-mail-wing IMAP server signing off
S: A011 OK LOGOUT

    服务器随后关闭连接。

二、curl 示例测试 ​

1.SELECT INBOX ​

curl -v \
  --url "imap://192.168.3.8/INBOX" \
  --user "user1@tio.com:00000000" \
  --request 'select "INBOX"'
* FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted.
* 1 EXISTS
* 0 RECENT
* OK [UIDVALIDITY 3] UIDs valid.
* OK [UIDNEXT 100101] Predicted next UID.

2.UID FETCH FLAGS ​

curl -v \
  --url "imap://192.168.3.8/INBOX" \
  --user "user1@tio.com:00000000" \
  --request 'UID fetch 1:* (FLAGS)'
*   Trying 192.168.3.8:143...
* Connected to 192.168.3.8 (192.168.3.8) port 143 (#0)
< * OK tio-mail-wing IMAP4rev1 server ready 
> A001 CAPABILITY
< * CAPABILITY IMAP4rev1 AUTH=LOGIN IDLE UIDPLUS ID LITERAL+
< A001 OK CAPABILITY
> A002 AUTHENTICATE LOGIN
< + VXNlcm5hbWU6
> dXNlcjFAdGlvLmNvbQ==
< + UGFzc3dvcmQ6
> MDAwMDAwMDA=
< A002 OK AUTHENTICATE completed.
> A003 SELECT INBOX
< * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
< * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted.
< * 1 EXISTS
< * 0 RECENT
< * OK [UIDVALIDITY 3] UIDs valid.
< * OK [UIDNEXT 100101] Predicted next UID.
< A003 OK [READ-WRITE] SELECT completed.
> A004 UID fetch 1:* (FLAGS)
< * 1 FETCH (UID 2 FLAGS ())
* 1 FETCH (UID 2 FLAGS ())
< A004 OK FETCH completed.
* Connection #0 to host 192.168.3.8 left intact
UID FETCH 1:* (FLAGS)

服务器会对序列号 1 到 * 范围内的每一封邮件，分别返回一条未标记的 FETCH 响应，最后才返回带标签的 OK 应答。

* 1 FETCH (UID 1 FLAGS (\Seen))
* 2 FETCH (UID 2 FLAGS (\Seen))
* 3 FETCH (UID 3 FLAGS (\Seen))
* 4 FETCH (UID 4 FLAGS ())
* 5 FETCH (UID 5 FLAGS ())
< A004 OK FETCH completed.

3. UID FETCH 头部字段 ​

curl
curl -v \
  --url "imap://192.168.3.8/INBOX" \
  --user "user1@tio.com:00000000" \
  --request 'UID FETCH 2 (UID RFC822.SIZE FLAGS BODY.PEEK[HEADER.FIELDS (From To Cc Bcc Subject Date Message-ID Priority X-Priority References Newsgroups In-Reply-To Content-Type Reply-To)])'

response

* Connected to 192.168.3.8 (192.168.3.8) port 143 (#0)
< * OK tio-mail-wing IMAP4rev1 server ready 
> A001 CAPABILITY
< * CAPABILITY IMAP4rev1 AUTH=LOGIN IDLE UIDPLUS ID LITERAL+
< A001 OK CAPABILITY
> A002 AUTHENTICATE LOGIN
< + VXNlcm5hbWU6
> dXNlcjFAdGlvLmNvbQ==
< + UGFzc3dvcmQ6
> MDAwMDAwMDA=
< A002 OK AUTHENTICATE completed.
> A003 SELECT INBOX
< * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
< * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted.
< * 1 EXISTS
< * 0 RECENT
< * OK [UIDVALIDITY 3] UIDs valid.
< * OK [UIDNEXT 100101] Predicted next UID.
< A003 OK [READ-WRITE] SELECT completed.
> A004 UID FETCH 2 (UID RFC822.SIZE FLAGS BODY.PEEK[HEADER.FIELDS (From To Cc Bcc Subject Date Message-ID Priority X-Priority References Newsgroups In-Reply-To Content-Type Reply-To)])
< * 1 FETCH (UID 2 RFC822.SIZE 345 FLAGS (\Seen) BODY[HEADER.FIELDS (FROM TO CC BCC SUBJECT DATE MESSAGE-ID PRIORITY X-PRIORITY REFERENCES NEWSGROUPS IN-REPLY-TO CONTENT-TYPE REPLY-TO)] {230}
* 1 FETCH (UID 2 RFC822.SIZE 345 FLAGS (\Seen) BODY[HEADER.FIELDS (FROM TO CC BCC SUBJECT DATE MESSAGE-ID PRIORITY X-PRIORITY REFERENCES NEWSGROUPS IN-REPLY-TO CONTENT-TYPE REPLY-TO)] {230}
< Message-ID: <157dc58f-fa68-4420-a6ee-5df03682db72@localdomain>
< Date: Mon, 23 Jun 2025 09:06:36 -1000
< To: bob@localdomain
< From: alice <alice@localdomain>
< Subject: Work
< Content-Type: text/plain; charset=UTF-8; format=flowed
<  {230}
< Message-ID: <157dc58f-fa68-4420-a6ee-5df03682db72@localdomain>
< Date: Mon, 23 Jun 2025 09:06:36 -1000
< To: bob@localdomain
< From: alice <alice@localdomain>
< Subject: Work
< Content-Type: text/plain; charset=UTF-8; format=flowed
< 
< )
< A004 OK FETCH completed

4.UID FETCH 全文 BODY[] ​

curl
curl -v \
  --url "imap://192.168.3.8/INBOX" \
  --user "user1@tio.com:00000000" \
  --request 'UID fetch 2 (UID RFC822.SIZE BODY[])'

response

< * OK tio-mail-wing IMAP4rev1 server ready 
> A001 CAPABILITY
< * CAPABILITY IMAP4rev1 AUTH=LOGIN IDLE UIDPLUS ID LITERAL+
< A001 OK CAPABILITY
> A002 AUTHENTICATE LOGIN
< + VXNlcm5hbWU6
> dXNlcjFAdGlvLmNvbQ==
< + UGFzc3dvcmQ6
> MDAwMDAwMDA=
< A002 OK AUTHENTICATE completed.
> A003 SELECT INBOX
< * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
< * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted.
< * 1 EXISTS
< * 0 RECENT
< * OK [UIDVALIDITY 3] UIDs valid.
< * OK [UIDNEXT 100101] Predicted next UID.
< A003 OK [READ-WRITE] SELECT completed.
> A004 UID fetch 2 (UID RFC822.SIZE BODY[])
< * 1 FETCH (UID 2 RFC822.SIZE 3451 BODY[] {621}
* 1 FETCH (UID 2 RFC822.SIZE 3451 BODY[] {621}
< Return-Path: <alice@localdomain>
< X-Original-To: bob@localdomain
< Delivered-To: bob@localdomain
< Received: from [192.168.3.8] (unknown [192.168.3.8])
<   by mail.localdomain (Postfix) with ESMTPA id 41C156C5451
<   for <bob@localdomain>; Mon, 23 Jun 2025 09:07:05 -1000 (HST)
< Message-ID: <157dc58f-fa68-4420-a6ee-5df03682db72@localdomain>
< Date: Mon, 23 Jun 2025 09:06:36 -1000
< MIME-Version: 1.0
< User-Agent: Mozilla Thunderbird
< Content-Language: en-US
< To: bob@localdomain
< From: alice <alice@localdomain>
< Subject: Work
< Content-Type: text/plain; charset=UTF-8; format=flowed
< Content-Transfer-Encoding: 7bit
< 
< work
< 
< )
< A004 OK FETCH completed.

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