Error Sending Message 550
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[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. spamhaus 550 error It generally comes with a side-message like "550 Requested action not outlook error 800ccc69 taken: mailbox unavailable" or "550 5 2 1 mail from refused spam site".Simply put, a 550 error code
Server Responded 550 Spamhaus
means that your SMTP server 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
550 Spamhaus Hit
example is something like mail@otmail.com instead of 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. mdaemon error sending message 550 recipient unknown In fact, it implicitly suggests to ISPs and reciving systems 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
553, or relay-prohibited error when sending e-mail messages Applies To: Outlook 2007, Less Applies To: Outlook 2007 , More... Which version do I have? More... Symptom When you are away from home and
550 Error Sending Email
send an e-mail message using your home e-mail account, your e-mail message error message 550 denied by policy might be returned with a 550, 553, or relay-prohibited error message. The same situation could occur when you are away error message 550 blocked from your office and try to send an e-mail message using your work e-mail account. Summary Relaying occurs when an e-mail message is sent to an e-mail address whose domain (the http://www.serversmtp.com/en/error-550 name after the @ symbol, such as adatum.com) is not processed by the Simple Mail Transfer Protocol (SMTP) or outgoing server that the sender is requesting to deliver the message. The SMTP server must connect to another SMTP server to relay the message. When you send an e-mail message that encounters a relay error, your SMTP (outgoing) e-mail server might return your e-mail message https://support.office.com/en-us/article/I-receive-a-550-553-or-relay-prohibited-error-when-sending-e-mail-messages-65b494a4-0a15-433e-829f-e73651e0245e with an error message such as one of the following: The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was '
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Core Operating System Division. Resolving SMTP error 550 5.7.1 Unable to relay for user@domain.com Error 0x800CCC79 ★★★★★★★★★★★★★★★ John Howard -MSFTOctober 11, 200515 0 0 0 I was struggling with this error message today - everything I had found on the Internet suggested it related to security. Well, it does, of sorts, and a careful look at the configuration of your SMTP server without mis-interpreting a dialog box. If you open the properties for your SMTP server under IIS admin, select the Access Tab, and at the bottom, click "Relay", you will see a check-box at the bottom, which is by default selected, saying "Allow all computers which successfully authenticate to relay, regardless of the list above". In my head-scratching to work out the cause of the error, I had mis-read the message as "Allow all users which succ….". The answer therefore was simple, above that check-box on the relay restrictions tab, there is a options dialog which by default Only the list may relay. Simple as adding your server to the list, or selecting All except the list below. The first one is obviously more secure.
Tags Exchange Network Infrastructure Systems Comments (15) Cancel reply Name * Email * Website Anonymous says: October 14, 2016 at 5:43 pm Dear John, Thanks for great tip! I got an other error code when trying to send email from Ubuntu server 12.04 by command lines: postfix/smtp[10700]: 0A083140089: to=, relay=mail.maildomain.com[]:25, delay=0.82, delays=0.08/0/0.63/0.1, dsn=5.7.1, status=bounced (host mail.mydomain.com[] said: 501 5.7.1 … Sender domain must exist (in reply to RCPT TO command)) All information of my email domain (mail.mydomain.com) and email server's I