The server is unable to connect.

邮件伺服器无法连接。

Try to change the server's name (maybe it was spelt incorrectly) or the connection port.

尝试更改邮件伺服器名称（可能拼写错误）或连接端口。

Connection refused or inability to open an SMTP stream.

连接被拒绝或无法打开 SMTP stream 资料群集。

This error normally refers to a connection issue with the remote SMTP Server, depending on firewalls or misspelled domains. Check all the configurations and in case ask your provider.

错误通常是指与远端 SMTP 邮件伺服器的连接问题，具体取决于防火墙或拼写错误的网域。检查配置或是询问邮件伺服器之提供商。

System status message or help reply.

系统状态讯息或帮助回復。

It comes with more information about the server.

它附带有关邮件伺服器的更多讯息。

A response to the HELP command.

对 HELP 命令的回应。

It contains information about your particular server, Normally pointing to a FAQ page.

包含有关特定邮件伺服器的讯息，通常指向伺服器常见问题说明之页面。

The server is ready.

邮件伺服器已准备就绪。

It's just a welcome message. Just read it and be happy that everything is working.

这只是一个欢迎讯息。目前为止它为一切正常。

The server is closing its transmission channel. It can come with side messages like Goodbye or Closing connection.

邮件伺服器正在关闭其传输通道。它可以附带诸如关闭连接之类的辅助讯息。

The mailing session is going to end, which simply means that all messages have been processed.

邮件传输结束，这表示所有讯息都已处理完毕。

Its typical side message is Requested mail action okay completed, meaning that the server has transmitted a message.

其典型的讯息是 Requested mail action OK completed 表示邮件伺服器已经发送了一条讯息。

The opposite of an error: everything has worked and your email has beendelivered.

错误的反面、一切正常，您的电子邮件已送达。

User not local will forward: the recipient's account is not on the present server, so it will be relayed to another.

非本地用户转发、收件人的账号不在当前邮件伺服器上，所以会转发给另一个。

It's a normal transfer action. For other information check out our article on what is an SMTP server.

处于一个正常的转移动作。有关其他讯息，检查关于 SMTP 邮件伺服器的内文或内容。

The server cannot verify the user, but it will try to deliver the message anyway.

邮件伺服器无法验证用户，但它会尝试传递讯息。

The recipient's Email Account is valid, but not verifiable. Normally The server relays the message to another one that will be able to check it.

收件人的电子邮件帐户有效，但无法验证。通常邮件伺服器将讯息中，给另一个能够检查它的讯息。

The side message can be very cryptic (Start mail input end <CRLF>.<CRLF>).It's the typical response to the DATA command.

附带的邮件讯息可能，开始邮件输入结束 <CRLF>.<CRLF>。它是对 DATA 命令的典型回应。

The server has received the From and To details of the Email, and is ready to get the body message.

邮件伺服器已经收到邮件的 From 和 To 详细讯息，并准备好获取正文讯息。

Timeout connection problem: there have been issues during the message transfer.

超时连接问题，在讯息传输过程中出现了问题。

This error message is produced only by GroupWise servers. Either your Email has been blocked by the recipient's firewall, or there's a hardware problem. Check with your provider.

该错误讯息仅由 GroupWise 邮件伺服器产生。该邮件已被收件人的防火墙阻止，或者存在硬件问题。请谘询您的提供商。

The service is unavailable due to a connection problem: it may referto an exceeded limit of simultaneous connections, or a more general temporaryproblem.

由于连接问题，该服务不可用、可能指同时连接数超出限制，或更一般的临时问题。

The server (yours or the recipient's) is not available at the moment, the dispatch will be tried again later.

邮件伺服器(或收件人)目前不可用，因此稍后将再次尝试发送。

The recipient's mailbox has exceeded its storage limit.

收件人的邮箱已超出其存储限制。

Best is to contact contact the user via another channel to alert him and ask to create some free room in his mailbox.

通过另一个渠道，联繫用户以提醒他的邮箱中创建出一些可用空间。

Not enough space on the disk, or an out of memory condition due toa file overload.

磁碟空间不足，或由于文件过载而出现记忆体不足情况。

This error may depend on too many messages sent to a particular domain. You should try again sending smaller sets of emails instead of one big mail-out.

此错误可能取决于发送到特定域的邮件过多。应该再次尝试发送较小的电子邮件集，而不是发送大邮件。

Typical side-message: The recipient's Exchange Server incoming mail queue has been stopped.

典型的附带讯息、收件人的 Exchange Server 传入邮件队列已停止。

It's a Microsoft Exchange Server's SMTP error code. You should contact it to get more information: generally it's due to a connection problem.

它是 Microsoft Exchange Server 的 SMTP 错误代码。应该联繫它以获取更多讯息、通常是由于连接问题。

The recipient's server is not responding.

收件人的伺服器没有回应。

There's an issue with the user's incoming server: yours will try again to contact it.

用户的传入邮件伺服器存在问题、需要再次尝试通过联繫。

The connection was dropped during the transmission.

传输过程中连接断开。

A typical network connection problem, probably due to your router: checkit immediately.

一个典型的网路连接问题，可能是由于路由器、立即检查。

The maximum hop count was exceeded for the message: an internal loop has occurred.

超出了邮件的最大跳数、发生内部循环。

Ask your SMTP provider to verify what has happened.

请让您的 SMTP 提供商验证发生了什么。

Your outgoing message timed out because of issues concerning the incomingserver.

由于传入邮件伺服器的问题，传出讯息超过时间。

This happens generally when you exceeded your server's limit of number of recipients for a message. Try to send it again segmenting the list indifferent parts.

通常发生在超过伺服器的邮件收件人数量限制时间。尝试将发送列表中的无关部分、然后再次发送。

A routing error.

路由错误。

Like error 432, it's related only to Microsoft Exchange. Use WinRoute.

与错误 432 一样、仅与 Microsoft Exchange 有关。使用 WinRoute。

Requested action not taken – The user's mailbox is unavailable. The mailbox has been corrupted or placed on an offline server, or your Email hasn't been accepted for IP problems or blacklisting.

请求的用户的邮箱不存在，或者电子邮件因 IP 问题或者已经被列入黑名单而无法被接受。

The server will retry to mail the message again, after some time. Anyway, verify that is working on a reliable IP address.

一段时间后，邮件伺服器将重新尝试重新发送邮件。确认它正在使用可靠的 IP 地址。

Requested action aborted - Local error in processing. Your ISP's server or the server that got a first relay from yours has encountered a connection problem.

请求的动作中止、处理中的本地错误。因为 ISP 的邮件伺服器或从获得第一个中继的伺服器遇到连接的问题。

It's normally a transient error due to a message overload, but it can refer also to a rejection due to a remote antispam filter. If it keeps repeating, ask your SMTP provider to check the situation. If you're sending a large bulk email with a free one that can be a common issue.

它通常是由于讯息过载而导致的暂时错误，但它也可以指由于远端反垃圾邮件过滤器而导致的拒绝。如果它不断重复，需要由 SMTP 提供商检查情况。如果您要发送一封带有免费邮件的大容量电子邮件，这可能是一个常见问题。

Too many emails sent or too many recipients: more in general, a server storage limit exceeded.

发送的电子邮件过多或收件人过多，超出邮件伺服器存储限制。

Again, the typical cause is a message overload. Usually the next try will succeed: in case of problems on your server it will come with a side-message like Out of memory.

同样的原因是讯息过载。通常下一次尝试会成功、如果邮件伺服器出现问题，会附带一条讯息如记忆体不足。

An error of your mail server, often due to an issue of the local anti-spam filter.

出现于邮件伺服器的错误，通常是由于本地反垃圾邮件过滤器的问题。

Contact your SMTP service provider to fix the situation.

需要与您的 SMTP 邮件服务提供商联繫以解决此问题。

A syntax error: the server couldn't recognize the command.

语法错误、邮件伺服器无法识别该邮件内容的命令。

It may be caused by a bad interaction of the server with your firewall or antivirus. Read carefully their instructions to solve it.

这可能是由邮件伺服器与防火墙或防病毒软件的不良交互引起的。阅读其伺服器说明来解决邮件的问题。

Another syntax error, not in the command but in its parameters or arguments.

另一个语法错误不是在命令中，而是在它的发送参数中。

In the majority of the times it's due to an invalid email address, but it can also be associated with connection problems (and again, an issue concerning your antivirus settings).

在大多数情况下，处于由于电子邮件地址无效，但也可能与连接问题有关，同样的亦有可能是防毒软体设置之有关的问题。

The command is not implemented.

该命令未执行。

The command has not been activated yet on your own server. Contact your provider to know more about it.

该命令尚未在于邮件伺服器上启动。联繫您的供应商以了解更多讯息。

The server has encountered a bad sequence of commands, or it requires authentication.

邮件伺服器遇到错误的命令序列，或者它需要发送的身份验证。

In case of bad sequence, the server has pulled off its commands in wrong order, usually because of a broken connection. If an authentication is needed, you should enter your username and password.

在错误顺序的情况下，伺服器以错误的顺序执行命令，通常是因为连接中断。如果需要验证，应该输入用户名和密码。

A command parameter is not implemented.

未实现命令参数。

Like error 501, is a syntax problem; you should ask your provider.

与错误 501 一样，是语法问题应该查询网路的供应商。

Bad Email address.

错误的电子邮件地址。

One of the addresses in your TO, CC or BBC line doesn't exist. Check again your recipients' accounts and correct any possible misspelling.

收件人 TO、副本 CC 或 BBC 行中的地址之一不存在。再次检查收件人、邮件帐户并更正任何可能的拼写错误。

A DNS error: the host server for the recipient's domain name cannot be found. DNS

错误、找不到收件人域名的主机邮件伺服器。

Check again all your recipients' addresses: there will likely be an error in a domain name (like mail@domain.coom instead of mail@domain.com).

再次检查所有收件邮件地址、域名中可能有错误（例如 mail@domain.coom 而不是 mail@domain.com）。

Address type is incorrect: another problem concerning address misspelling.In few cases, however, it's related to an authentication issue.

地址类型不正确、另一个关于地址拼写错误的问题。然而在少数情况下，它与身份验证问题有关。

Check your recipients addresses and correct any mistake. If everything's ok and the error persists, then it's caused by a configuration issue (Server needs an authentication).

检查收件人地址并更正任何错误。如果一切正常并且错误仍然存在，可能是由配置问题引起的邮件伺服器，需要身份验证。

The total size of your mailing exceeds the recipient server's limits.

其邮件总大小超过了收件人伺服器的档案尺寸限制。

Re-send your message splitting the list in smaller subsets.

重新发送您的讯息，将列表拆分为更小的子集。

Normally, an authentication problem. But sometimes it's about the recipient server blacklisting yours, or an invalid Email address.

通常因为邮件身份验证问题。但有时它是关于收件人的邮件伺服器将黑名单或无效的电子邮件地址。

Configure your settings providing a username+password authentication.If the error persists, check all your recipients addresses and if you been blacklisted.

配置提供用户名及密码身份验证的设置。如果错误仍然存在，检查所有收件人邮件地址以及您是否已被列入黑名单。

The recipient address rejected your message: normally, it error caused by an anti-spam filter.

收件人地址拒绝了邮件、通常是因为由反垃圾邮件过滤器引起的错误。

Your message has been detected and labeled as spam. You must ask the recipient to whitelist you.

邮件已被检测到并标记为垃圾邮件。需要请求收件人将您更新列入白名单。

It usually defines a non-existent Email address on the remote side.

它通常在远端端定义一个不存在的电子邮件地址。

Though it can be returned also by the recipient firewall (or when the incoming server is down), the great majority of errors 550 simply tell that the recipient Email address doesn't exist. You should contact the recipientotherwise and get the right address.

虽然它也可以由收件人的防火墙返回或当传入邮件伺服器关闭时。但大多数错误 550 只是表明收件人的电子邮件地址不存在。否则应该联繫邮件收件人并获取正确的地址。

User not local or invalid address – Relay denied. Meaning, if both your address and the recipient's are not locally hosted by the server, a relay can be interrupted.

用户不是本地或无效地址被拒绝。如果邮件地址和收件人都不是由邮件伺服器本地託管，则中继可能会中断。

It's a (not very clever) strategy to prevent spamming. You should contact your ISP and ask them to allow you as a certified sender. Of course, with a professional SMTP provider like turboSMTP you won't ever deal with this issue.

因为防止垃圾邮件的方式不是很准确的策略。应该联繫 ISP 并要求通过允许作为认证发件人。
当然使用 turboSMTP 专业 SMTP Service Provider 提供，将永远不会处理这个问题。

Requested mail actions aborted – Exceeded storage allocation: simply put, the recipient's mailbox has exceeded its limits.

可能原因收件人的邮箱已经超出，邮件档案尺寸的限制。

Try to send a lighter message: that usually happens when you dispatch emails with big attachments, so check them first.

尝试发送更轻松的讯息，通常发生在发送带有比较大附件的电子邮件时，因此先检查附件。

Requested action not taken – Mailbox name invalid. That is, there'san incorrect Email address into the recipients line.

请求的操作未採取、该电子邮箱名称无效。
当收件人行中有错误的电子邮件地址。

Check all the addresses in the TO, CC and BCC field. There should bean error or a misspelling somewhere.

检查 TO 收件人、CC 和 BCC 字段中的所有地址。
某处应该有 bean 错误或拼写错误。

This means that the transaction has failed. It's a permanent error and the server will not try to send the message again.

传递失败。处于一个永久性错误，伺服器不会再次尝试发送讯息。

The incoming server thinks that your Email is spam, or your IP has been blacklisted. Check carefully if you ended up in some spam lists, or rely on a professional SMTP service like turboSMTP that will nullify this problem.

接收伺服器认为该电子邮件是垃圾邮件，或者您的 IP 已被列入黑名单。
检查是否最终出现在一些垃圾邮件列表中或者依赖专业的 SMTP 服务如 turboSMTP 来解决这个问题。