Failed to Send Email to Smtp Server Please Check Your Settings and Try Again
Oft web hosts get contacted by account owners who are unable to ship or receive emails via Outlook. The error message they run into in their Outlook would be:
Task '[email protected] - Sending' reported error (0x80042109) : "Outlook cannot connect to your outgoing (SMTP) email server. If you continue to receive this message, contact your server administrator or isp (ISP)."
In our role asWebsite Support for web hosting companies, this is a business concern we quickly resolve for users who accept email accounts hosted in the customers' servers.
As a one-size-fit-all solution is non possible for this fault, today we'll see what are the common causes for this fault and how we resolve them for the customers.
What causes 'Outlook cannot connect to SMTP server' error
The SMTP error in Outlook tin happen due to many reasons, broadly classified into these categories – 1. User end issues ii. ISP bug 3. Server side issues.
ane. PC/Laptop firewall issues
Though not so common, third party firewalls and anti-virus software in user PCs can block connection to certain IP ranges, which could include the server IP equally well. This can give errors while connecting to the post server for sending or receiving mails.
To cheque the connectivity bug from user's PC or laptop to the mail server, nosotros get the results of 'telnet domain.com 25' from the users, which shows whether the user is able to connect to the SMTP port in the mail server.
2. Outlook configuration mistakes
Most mutual reason for 'Outlook cannot connect to SMTP server' mistake is the wrong configuration settings of Outlook. This happens especially in the example of newly configured e-mail accounts.
A mis-spelled mail server proper noun to a wrong port setting in Outlook tin can cause connectivity problems to the mail server and cease up giving mistake while trying to send or receive mails.
By default, the port settings for mail related services are these, and a connection problem to these ports tin lead to Outlook fault:
SMTP - port 25 / 587 POP3 - port 110 IMAP - port 143 Secure SMTP (SSMTP) - port 465 IMAP4 over SSL (IMAPS) - port 993 Secure POP3 (SSL-Pop) - port 995
There are also chances that some web masters may take duplicate profiles in Outlook, which volition have an old postal service server configured in it, and therefore would be trying to connect to the wrong mail server.
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3. ISP firewall bug
Some ISPs are known to cake traffic through port 25 to minimize automated spam. This is the most mutual reason for Outlook mistake 0x80042109 ( 'Outlook cannot connect to SMTP server' ).
A 'traceroute' event to the mail service server from the user finish helps to reveal if there are any connectivity issues in any of the intermediate network between user PC and mail server.
4. Server firewall issues
Firewalls are the security barriers which nosotros setup in servers to protect them from malicious attacks or hacks. Occasionally, these server firewalls tin cake certain IPs or IP ranges based on whatsoever anomalous behavior.
For instance, exceeding the login failure attempts or also many connection attempts to the server can pb to an IP address being blocked in the server firewall. This tin pb to error 'Outlook cannot connect to SMTP server'.
The above were some common reasons for Outlook mistake 0x80042109. In our website support services, we treat each client as unique, and explore all possibilities before giving a final solution.
How we resolve 'Outlook cannot connect to SMTP server' error
We follow a unique step-by-step debugging process to resolve the Outlook mistake 0x80042109 for the customers, in minimal time.
i. Resolving client end bug
When a user reports the mistake, we check the server logs to encounter if the user is able to establish a connection successfully to the mail server via webmail or other mail clients.
If the user tin can successfully connect to postal service server IP and ports for SMTP and Pop, then the issue is with the Outlook settings and not connectivity problem. We verify this using 'telnet' and 'traceroute' results.
We then assist users with the correct steps to configure their Outlook mail client, with the port number, SSL settings and mail servers to be used.
Outlook SMTP configuration
2. Resolving ISP or network problems
For Isp or network connectivity issues, we advise alternating methods to the users to connect to the postal service server and ship mails.
To override Internet service provider port blocks and to enable users to ship mails, we usually configure SMTP on a dissimilar port in our servers. Using a non-standard port such as 587 also helps to secure our email server.
Once the post server is configured to listen to the new port, we likewise add together this port to the firewall white-listing to allow incoming connections to that port.
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3. Resolving server side blocks
Looking for the customer's IP in the server's firewall is 1 of the first things we do when we don't see a recent connection on other service logs. User'southward IP addresses can exist identified using tools such as 'http://whatismyipaddress.com/'
Once the IP is found to be listed in the firewall, we immediately unblock it to establish connectivity for the customer. In that location are different types of firewall such as CSF, iptables, etc. and the de-listing method varies in each.
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Equally recurrent IP blocks can lead to discomfort and loss of fourth dimension and attempt for the end users, nosotros strive to reduce the inconvenience caused to customers with these pro-active steps:
- Regularly auditing the server logs to examine IP blocks and unblock valid IPs.
- White-listing IP addresses of customers afterward verification.
- Setting custom firewall rules for customers to prevent discomfort merely avoid misuse.
If yous'd similar to know how to provide a delightful customer support experience to your electronic mail users, we'd behappy to talk to you.
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Source: https://bobcares.com/blog/outlook-cannot-connect-to-smtp-server-error/
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