Mail Server Error Message
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reply codesSometimes your SMTP server may return a particular error message. The problem is that it will generally be very cryptic, like "550 Requested action not taken: mailbox unavailable" or "421 Try again email error codes later". What does these numbers mean?First of all: not any reply code is an email error message examples error. Sometimes it's just a response containing a detail about the server or an answer to a command. Secondly: any code
Smtp 550 Error
consist of three digits, and each conveys a particular information. The first one defines whether the server has accepted the command, fulfilled an action, run into a temporary issue, encountered an error etc; the
Temporary Error Looking Up Mx Record
second and the third one refine the description further, stating if there's been a syntactic problem, or a connection trouble etc.Unfortunately, different servers sometimes use these codes in a different way, making the whole thing even more complicated... Anyhow, the most critical series of error messages is the 5xx one, and especially the ones from 550 to 559. In particular, you will probably get a lot of 550 email error message prank SMTP error codes – that is, a problem that concerns the recipient's email address.Finally, remember that it's much easier to deal with these error codes if you choose to rely on a professional SMTP server that will help you solve any issue. turboSMTP, for instance, comes with a 24/7 customer support: you can try it free and forget once for all these issues.And here's a list of the main SMTP error or reply messages, with an explanation and a tip about what to do. CODEMEANINGHOW TO SOLVE IT / WHAT TO DO101The server is unable to connect.Try to change the server's name (maybe it was spelt incorrectly) or the connection port.111Connection refused or inability to open an SMTP stream.This error normally refers to a connection issue with the remote SMTP server, depending on firewalls or misspelled domains. Double-check all the configurations and in case ask your provider.211System status message or help reply.It comes with more information about the server.214A response to the HELP command.It contains information about your particular server, normally pointing to a FAQ page.220The server is ready.It's just a welcome message. Just read it and be happy that everything is working (so far)!221The server is closing its transmission channel. It can come
[es]Svenska [sv]Türkçe [tr] Please Login or Register Main menuHome Why turboSMTP Features Pricing SMTP server configuration Contact us Email template creator SMTP API Home › Error 550Among all SMTP reply messages, error 550 is surely the most common. It generally comes
Smtp Enhanced Status Codes
with a side-message like "550 Requested action not taken: mailbox unavailable" or smtp 550 blocked "550 5 2 1 mail from refused spam site".Simply put, a 550 error code means that your SMTP server smtp error 554 isn't able to deliver the sent email to the user because his mailbox does not exist: either the customer has entered it wrong (a typical example is something like mail@otmail.com instead of http://www.serversmtp.com/en/smtp-error mail@hotmail.com), or the account has been deactivated and replaced with a new one (but you didn't know it).In any case, you must remove this address from your mailing list: keeping sending messages to it will just cause other 550 messages. This is not simply annoying; it is dangerous as well for your deliverability. In fact, it implicitly suggests to ISPs and reciving systems http://www.serversmtp.com/en/error-550 that you don't really care about your list hygiene - just like spammers: so with time you could be penalized and see your delivery rate decrease.Of course the best practice here is not simply to erase the address that provokes a 550 error code, but to replace it with a new onewhenever possible. How to do that? If you have another way to contact your user - a phone number, Twitter, Skype... - just send him a line to apprise him that his current email account is wrong, and to ask him a functioning one. Related ContentWhat is an SMTP serverSMTP error messages and reply codesHow to configure an SMTP serverEmail delivery notificationEmail not sendingEmail delivery system GET IT FREE6.000 free emails/monthNo Credit Card requiredThe email template affects deliverability tooCrafting a neatly coded HTML layout is essential to boost your delivery rate. We suggest to do that with MailStyler, an excellent and easy-to-use software.Try it for free © 2010 - 2015 turboSMTPby Delivery Tech - All rights reservedFollow @turboSMTPPrivacy Policy | Terms and Conditions | Anti-spam Policy | Contact us | About us Customer Service Help Desk
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problems when trying to send email. Typically this is in the form of an SMTP server connection error, a mailbox that's seemingly stuck offline, a repeated request for a password from Mail app (a fairly common issue which we've fixed before), or some other connection error. If you're experiencing any of these issues with Mail app, the solution is likely simple as we'll show you. A quick note for Gmail users experiencing an inbound or outbound mail problem, a connection failure, or an error message that says that Mail "Cannot send message using the server smtp.gmail.com." or "The Gmail SMTP connection to server smtp.gmail.com failed." While either of the solutions outlined here are likely to resolve the problem, it's also possible that you are experiencing the error if you're using 2-Factor Authentication on the Google account. If you are using 2-factor authentication, you need to generate an app-specific password from Google here and use that in troubleshooting solution #1 rather than your normal account password. Keep that in mind as you work through this process. 1: Fix Sending Mail Errors in OS X Yosemite with Credentials If you're getting cannot send mail errors only when trying to send mail or connect to your emails SMTP server, the solution is probably the same as when Mail repeatedly asks for a password, you simply need to re-authenticate and provide the SMTP server your login and password as set in the mail preferences: Open Mail app and go to the Mail menu, then select "Preferences" Choose the "Accounts" tab in the preferences window Select the mail account that is experiencing problems and/or errors Look under the ‘Account Information' tab and click on "Outgoing Mail Server (SMTP)" and choose "Edit SMTP Server List" Select the ‘Advanced' tab at the Edit SMTP Server List screen Re-enter your login and password credentials for the affected email account here Now click "OK" and close Preferences, selecting to "Save" when asked about changes Compose a new email message and send it (to yourself, us, your Mom, Santa, whoever, this is just a test email) The email should now send as usual. Once that email goes through, you may have some unsent messages sitting in your outbox, they will send automatically in time, but you can also synchronize the mail account to push it along. If you're still experiencing Mail problems with stuck outbound messages and SMTP server errors, move to the next trick. 2: Fix Outbound Email SMTP Failures in Mail App Manually The above trick should do the job and resolve your issues, but if you have confirmed the login and p