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Server Error: 550 5.1.1

What HOW-TO did you use for install? _X_, Nov 17, 2008 #2 SimonH New Member Sorry, I forgot that bit I used The Perfect Setup - Debian Etch (Debian 4.0) To remove it you can use a free tool cal… CodeTwo Outlook Using Automation to Control Outlook from Access Video by: TechMommy Get people started with the process of using Access Apologies if I've missed a thread on this, and please feel free to point me in the direction of it if one exists. Our services include Hosting Support Services, server support, help desk support, live chat support and phone support. this contact form

Less This topic can help you fix email problems that are associated with error codes 550 5.1.1 through 5.1.20 if you see this in a non-delivery report (NDR). There is one strange thing though, this particular domain has 2 mx records. Connect with top rated Experts 18 Experts available now in Live! The answer is yes.

Even certain spamming scripts can send mass mails to different non-existing accounts, causing the logs to be filled with ‘550 5.1.1' bounce errors. Will have to wait a couple of days before we know, I guess. The only point I'd make is that [emailprotected] isn't in /etc/postfix/virtusertable, it's a catchall account for that whole domain.

If the recipient doesn't have the email address that you're sending to, it will bounce the mail with the error message ‘550 5.1.1 User unknown‘. Required fields are marked *Comment * Name * Email * CAPTCHA Code* Get the best web hosting and server administration information in the industry right in your inbox. I don't see how, but could this be something to do with the problem ? By giving full access permission one can open and read the content of any mailbox but cannot send emails from that mailbox.

Promoted by Recorded Future Are you wondering if you actually need threat intelligence? What can I do to fix this?    Here are 5 different solutions you can try. Your DNS record is stale and cannot be resolved by the recipient server. http://serverfault.com/questions/457612/email-bounce-back-550-5-1-1-recipient-rejected SimonH, Nov 17, 2008 #9 falko Super Moderator ISPConfig Developer What's in /etc/postfix/main.cf?

We won't share your info with anyone. To do this, open the mailbox in a web browser that supports only the light version of Outlook Web App, and use the following procedure: Remove all recipients Open the user's Tasteless and other bugs Can I use a second passport for Dubai layovers? Other domains that have had this problem in the past also have their @ records pointing to the ISPConfig server.

There are no other user accounts for the site, just a single "admin" account which is a catchall for the domain. @domain.tld web48_admin is listed in /etc/postfix/virtusertable, which I assume refers https://bobcares.com/blog/how-to-fix-550-511-recipient-address-rejected-error/ A catchall address or forwarder that relay to a non-existing account, can end up causing 550 errors. These DNS related errors or wrongly mail server MX settings can end up giving an error message ‘550 5.1.1 User unknown‘ to the sender. Check your Sent folder for messages that you know you didn’t send.

A certain number of these “bounce” emails signals email hosting providers about the possibility that the client is sending spam to unverified email addresses. http://softbb.net/server-error/server-error-552-5-2-2.html Bad entries in the auto-complete list The user could have selected an entry that isn't valid from your auto-complete list, also known as the nickname cache. Run an anti-malware scan on your computer. If you're using Outlook 2010 or Outlook 2013 To remove invalid recipients from the user's auto-complete list in Microsoft Outlook 2010 or Microsoft Outlook 2013, do the following: Remove a single

This same issue also occurs for domains where the only MX record is the ISPConfig server. **Edit** The DNS server IP is NOT the ip of the ISPConfig server, by the There are typos in the recipient’s email address, which means that the address to which you are trying to send the email has never existed. Remove all recipients Choose File > Options > Mail. navigate here If the recipient's email address in the NDR is in the format IMCEAEX-_O=@, it's likely that they are replying to an old email message.

c. Using automation, an Access applic… MS Access Outlook Visual Basic Classic How to remove email addresses from autocomplete list in Outlook 2016, 2013 and 2010 Video by: CodeTwo This video shows If senders who are outside of your domain receive this NDR when they send mail to recipients within your domain, try the following.

Here's what backscatter is: Spammers often falsify the From address of spam by using email addresses they’ve collected from the Internet instead of their own address.

  • Though 550 errors are usually related to recipient mail server issues, at times some filtering or firewalls applied on outgoing mails in the sender server can also cause this error.
  • User unknown <<< 554 5.5.1 Error: no valid recipientsClick to expand...
  • The thing I find strangest about this, is that [emailprotected] (the proper users email address on the ispconfig server) seems to be getting converted to [emailprotected]name.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed The message, instead of going to the Sent Items folder, sits in the Outbox indefinitely. If the email is addressed to a non-existing account or account that is no longer in use in the recipient server, the recipient server would be unable to find the email The next time you open the mailbox, you'll be using the light version of Outlook Web App.

Chat with UsContact Us Facebook Twitter Google LinkedIn © Bobcares. Use the Down Arrow and Up Arrow keys to select the recipient, and then press the Delete key. Sorry, I don't mean to be awkward, but I don't think they'd be too happy with me posting any of their info publicly, and I'd rather not expose my company to his comment is here This is now confirmed as the problem.

The system returned: (22) Invalid argument The remote host or network may be down. Make sure you are set to authenticate to the SMTP server. They simply provide the best products, in my opinion, and I like to work with the best. However, there are things that are likely to be true, and we are going to talk about them.

Solution 1: Check the Office 365 Message Center for configuration problems or service-wide issues    For Office 365 accounts, the Office 365 portal provides a central source for a variety of tools, Incorrect DNS settings for the domain Email Error 550 can also occur when the DNS settings for the recipient domain are not correct or the MX entry is not resolving correctly. Check for correct spelling. If there’s a problem with the recipient’s domain, contact the recipient or the recipient’s email administrator to let them know about the problem.