Merak邮局 SMTP 5xx 错误解析 （来自官网）
Merak邮局 SMTP 5xx 错误解析 （来自官网）
在IceWarp 的日志文件中，你经常能发现一些 SMTP 错误提示， 本 FAQ 将帮助你理解这些提示并提供相应的解决办法.
EXPLANATION
大多数 SMTP 错误均会附一个简短的说明的解决问题的办法:
| 编号 | En. Code | 提示信息 | 说明 | 解决办法 |
| 500 | 5.5.1 | Command unrecognized | 当前 SMTP 命令未被执行或 merak SMTP 不支持. | 检查最后一个 STMP 指令的语法并重试.
另一种可能是你正使用 Telnet 方式输入指令，但服务器禁止 Telnet 连接，检查管理员控制台- 邮件服务 -> 安全 -> 高级. |
| 501 | 5.5.2 | Domain name required | 发件人没有域名Sender has no domain specified (usually in MAIL FROM) | Specify the senders’ domain name and try again.
The problem may be in your e-mail client, not Merak. If your e-mail client is not properly configured with a domain name this could happen. |
| 501 | 5.5.2 | Unbalanced | SMTP session syntax invalid. (usually unbalanced brackets) | Check the syntax of the last command and the configuration of various DAT files. |
| 501 | 5.5.4 | Syntax error in parameters scanning | Common syntax error. You probably mis-typed last command or last string is invalid. | Check the syntax of the last command. |
| 501 | 5.5.1 | HELO/EHLO requires domain address | Usually when there was blank or invalid string sequence after HELO/EHLO command. | Greet Merak SMTP again with correct HELO/ELHO command. |
| 501 | 5.0.0 | Authentication canceled | The process of authentication was canceled for any reason. | Restart the authentication process by using proper command. |
| 501 | 5.7.0 | Authentication failed | The username/password combination provided during authentication was invalid. | Reenter both the username and the password and authenticate again. |
| 501 | 5.7.1 | You are not allowed to send. | Be sure “Reject if no rDNS” is NOT checked in Merak admin console or
Put the local IP range and your e-mail client IP in the “Relaying from” box. |
|
| 502 | 5.5.1 | Sorry, we do not support this operation | This operation is not allowed. | You can allow/disallow particular operations and commands from the Merak admin console: Mail Service – > Security -> Advanced. |
| 503 | 5.5.1 | Incorrect command sequence | A supported command was used on invalid place. For example command RCPT TO used before MAIL FROM or DATA command used when RCPT TO command was not accepted. | Solution depends on the situation where this error occurred. Check last few commands sequence. |
| 503 | 5.5.1 | Authentication already done | Error occurs by re-authentication. | |
| 503 | 5.5.1 | HELO/EHLO command required | Greeting error. HELO/EHLO command is required. | You have to use HELO or EHLO command. You can specify this option in Merak admin console: Mail Service – > Security -> Advanced. |
| 503 | 5.5.1 | HELO/EHLO already specified | Greeting used again. | |
| 504 | 5.7.6 | Unrecognized authentication type | Invalid authentication type. Incorrect or none type of AUTH specified. | Use the command AUTH with proper authentication type. |
| 530 | 5.7.1 | Authentication required [AUTH] | Authentication with command AUTH is required. | Use AUTH command or enable/disable authentication obligation from your Merak admin console. |
| 550 | 5.7.1 | We do not relay | Server is not open for relay. | Read this FAQ. |
| 550 | 5.7.1 | We do not relay, account limits apply | Check the account limits for the particular user account and whole domain. | |
| 550 | 5.7.1 | You have rights to send mail to local domains only | The user who gets this error is allowed to send mail only to local domains. | There is a checkbox in Merak admin console, user account management – Options tab. Enable or disable it. |
| 550 | 5.7.1 | Access not allowed | 1) Merak Mail Server block access by a blacklist filter or
2) reject if originator’s domain is local and not authorized option turned on |
1) Review Merak B&W filter settings or set a bypass file.
2) Local users have to authorize themselves so if they do not have this set up in their e-mail clients and you turned this on they are not allowed to send. |
| 550 | 5.7.1 | Permission denied | ||
| 550 | 5.1.1 | Unknown local user | ||
| 550 | 5.1.1 | Unknown user; rejecting | Unknown user account. The recipient is not local, thus reject the message. | Behavior and the treatment of messages coming to unknown user accounts can be set from Merak admin console – domain management – Domain tab. |
| 551 | 5.1.1 | No such user found | 帐户不存在. | |
| 551 | 5.1.1 | No such mailing list found | 不是本地邮件列表 | |
| 552 | 5.5.3 | Too many recipients | 收件人的数量超出允许的最大收件人数量. | 老版本的 Merak 根据 RFC 限制最大收件人数量为 100 . 如需使用更多收件人请使用邮件列表，或下载高于 v8.5 以后版本的 Merak 系统 (新的版本支持无限数量的收件人). |
| 554 | 5.3.4 | Message size exceeds fixed maximum message size | 用户发送邮件大小超出限制，该用户被限制发送邮件大小. | 你能增加或禁用外发邮件大小限制，管理员控制台- 用户帐户管理 - 限制 选项卡. 设置所有3层 (服务器, 域和用户) 的值均为 0. (不限制) |
| 554 | 5.7.1 | Message cannot be accepted, virus found | 邮件正文或附件中包含病毒. | |
| 554 | 5.7.1 | Message cannot be accepted, content filter rejection | 内容过滤器拒绝该邮件. | 检查 Merak 内容过滤器. |
| 554 | 5.7.1 | Message cannot be accepted, spam filter rejection | 邮件未被接受，反垃圾过滤器拒绝邮件，邮件可能是垃圾邮件 | 如果该邮件不是垃圾邮件，请修改你 merak 防垃圾引擎设置. |
| 554 | 5.7.1 | Message cannot be accepted, spam rejection | 邮件未被接受，反垃圾引擎拒绝，邮件可能是垃圾邮件. | 如果该邮件不是垃圾邮件，请修改你 merak 防垃圾引擎设置. |
| Message deleted by filter | 邮件被 过滤器删除 | 更改你的过滤器 配置. | ||
| Message challenged by filter | 如果不想使用挑战响应功能你可以在反垃圾设置中禁用. (信任选项卡.) | |||
| 554 | 5.2.2 | 邮件大小超出限制. | ||
| 554 | 5.3.1 | 邮件大小超出限制. | ||
| 554 | 5.7.1 | Message cannot be accepted, filter rejection | 信息被过滤器拒绝. | 检查你的过滤器设置和配置. |
有些文子被截断了，看不到。
已经修改！
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