5.71 too many invalid recipents error code 17099

5.71 too many invalid recipents error code 17099 how to#

You can use any antivirus to do so and always keep your firewalls On and updated.Д«ut if anyhow your PST file gets corrupted or inaccessible, then you can use MS Outlook PST Repair tool to fix your PST file without wasting any time. So remove all the virus or malware including all Trojans and spyware. Virus and malware can also cause error 550 every now and then. Remove virus and malware from the system.

5.71 too many invalid recipents error code 17099 how to#

So if this is the reason then contact your ISP administration to fix the problem.ДЄlso Read: How to fix Outlook Error 0x800ccc0d in Outlook Whenever there is an upsurge in your junk emails folder, the network administrators straightforwardly restricts SMTP server to prevent from spamming on the network. ISP blockageДЄnother but rare reason for error 550 is ISP blockage. In this type of scenario, all you need to do is just check the recipientвЂ™s email address and correct it if wrongly inserted and send it right away. Many times the error may occur just because you entered an incorrect email address. Having this error doesnвЂ™t mean that you are facing some major problem. Verify that вЂњUse same setting as my incoming mail serverвЂќ is selected.Д®nd it with OK > Apply > OK > Close. Open MS Outlook Express > go to Tools menu > Accounts > Highlight an email account > Properties > Server tab > Under the Outgoing Mail Server > now check the вЂњMy server requires authenticationвЂќ checkbox > Settings button. Make sure to вЂњUse the same setting as my incoming serverвЂќ is selected.ДЄlso Read: How to Fix Sending & Receiving Error in Outlook 2. Open MS Outlook > Tools menu > Email Accounts > View or change existing email accounts > Next > Highlight an email account > Change > More Settings > Outgoing Server tab > вЂњMy outgoing server (SMTP) requires authenticationвЂќ option. Now follow these steps to configure your email client and fix error 550 in no time. It is a very easy process but depends on the tool and the version you are using. To resolve this error all you need to do is configure your email client to go through SMTP authentication. So here are some of the most efficient ways to fix this problem.ДЄlso Read: How to Fix Error 0x8004010F in Outlook Solution 1. Whatever is the reason for the error 550, I would recommend you to repair and fix it quickly to avoid future hindrance. So if you want to fix this error have to authenticate your email client. The SMTP servers are configured for authentication to outgoing emails.

What this error represents is that your SMTP server was not able to deliver your send email.

вЂњ550 Requested action not taken: mailbox unavailableвЂќ When you attempt to send emails through Microsoft Outlook or Outlook Express, the mail encounter a send error and the mail will return with a 550 error message stating as