How do I fix my outgoing SMTP server?
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Sometimes it happens: you simply cannot send emails. You open your favorite mail client or software (Mozilla Thunderbird, Outlook Express, SendBlaster…), write a few lines, insert the recipients’ addresses, click “Send” and… An error is returned. Why? If you can’t send your emails, the problem is very likely (but
not exclusively) related to your SMTP server – the server taking care of the whole email delivery process. That is why it’s always better to rely on a professional SMTP Relay Server, even if you don’t have big mailing needs: for instance turboSMTP offers a handy free plan of 6.000
emails/month, lifetime. And here’s a checklist to understand why you’re unable to send emails and troubleshoot any major problem: Issues concerning email sending are unfortunately pretty common, either in the daily communications or when it comes to newsletters and bulk messages. So, why sometimes your mail client is not sending emails? Maybe it keeps on receiving them, but the outgoing emails are not sent at all. What is happening? Provided that you’re correctly connected to the internet (yes, it happens…) the causes are probably related to your SMTP server – the machine that takes care to deliver your outcoming messages. In fact, the normal servers associated to a common email provider (like Gmail or Hotmail) can run into several problems as they are not monitored: the best choice to avoid them all is to rely on a professional SMTP Relay Server like turboSMTP. That said, here are the most frequent “email not sending” issues, and how to troubleshoot them:
If the client keeps not sending emails, it’s likely that you have a general issue with your Internet Service Provider (which you should contact immediately). Fix SMTP Server error in EmailAn SMTP Server error (such as number 0x800CCC79) can be caused by an error in the setup in your email client program (Outlook Express or Outlook) for the outgoing (SMTP) mail server. A mistake in the username, password, server address, or server authentication can produce this error message when attempting to send an email. To correct this error, you need to know from your email provider what type of authentication, if any, is required by their mail server. To verify your existing SMTP server settings:
Note: To setup or verify all your email settings, follow the instructions at Setup and Use Email Service . Fix Common Gmail Pop3 ErrorsRepeatedly prompted for your username and password or 'invalid credentials' error.Fix: Enable POP in Gmail as follows:
The connection to the server has failed. Account: 'Gmail', Server: 'pop.gmail.com', Protocol: POP3, Port: 110, Secure(SSL): Yes, Socket Error: 10060, Error Number: 0x800CCC0E.
The message could not be sent because the server rejected the sender's e-mail address. The sender's e-mail address was ''. Subject 'example', Account: 'pop.gmail.com', Server: 'smtp.gmail.com', Protocol: SMTP, Server Response: '530 5.5.1 Authentication Required f45sm8616pyh', Port: 25, Secure(SSL): Yes, Server Error: 530, Error Number: 0x800CCC78.
Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity. Account: 'pop.gmail.com', Server: 'pop.gmail.com', Protocol: POP3, Port: 995, Secure(SSL): No, Error Number: 0x800CCC0F.
Your SMTP3 server has not responded in 60 seconds. Would you like to wait another 60 seconds for the server to respond? A time-out occurred while communicating with the server. Account: ' pop.gmail.com', Server: 'smtp.gmail.com', Protocol: SMTP, Port: 465, Secure(SSL): No, Error Number: 0x800CCC19.
The host 'smpt.gmail.com' could not be found. Please verify that you have entered the server name correctly. Account: 'pop.gmail.com', Server: 'smpt.gmail.com', Protocol: SMTP, Port: 465, Secure(SSL): Yes, Socket Error: 11001, Error Number: 0x800CCC0D.
An unknown error has occurred. Account: 'Gmail', Server: 'pop.gmail.com', Protocol: POP3, Port: 995, Secure(SSL): Yes, Error Number: 0x800C0133.
Note: To setup or verify all your email settings, follow the instructions at Setup and Use Email Service. See related articles:
To return to CTI's menu of Error Fixes, click here or use the back arrow at the top of your Internet browser. To go directly to CTI's menu of Help and Tutorials, click here. {rev. 03.22.2013} Why is my SMTP server not sending emails?Check whether there is network access from CSO to the SMTP server. Check whether the firewall is blocking SMTP traffic to SMTP server or whether the ports are blocked. If the server settings and authentication settings are correct, check whether the firewall is blocking port 587 and 465 and SMTP traffic.
How do I enable outgoing SMTP server?Windows® Mail (PC). From the Tools menu, select Accounts.. Under Mail highlight your E-mail account and click Properties.. Click the Servers tab and make sure that "My outgoing server (SMTP) requires authentication" is checked.. Click the Advanced tab, change the outgoing server port: 465 or 587 for SSL.. Click OK.. How do I reset my outgoing mail server?Android. Open the Email application.. Press Menu and select Settings.. Select Account Settings.. Click on the email account you want to edit.. Scroll to the bottom of the screen and click More Settings.. Select Outgoing Settings.. Check the Require sign-in option.. How do I check my outgoing mail server settings?Find your Exchange mailbox server settings
In Outlook Web App, on the toolbar, select Settings. > Mail > POP and IMAP. The POP3, IMAP4, and SMTP server name and other settings you may need to enter are listed on the POP and IMAP settings page.
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