Help Fix Outlook Cannot Connect To Outbound SMTP Server Error
September 19, 2021
Over the past few days, some of our readers have reported errors preventing Outlook from connecting to your outbound SMTP server.
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Often, web-based companies associate with their own accounts that cannot send or receive email through Outlook. The error you see in Outlook might be the following:
Task'[email protected] - Signal Send Error (0x80042109): “Outlook cannot connect to your server out of Your mail (SMTP). If you continue to achieve these goals, contact your server administrator or network service provider (ISP). "
Instead of providing website support for web hosting companies, we are quickly addressing the issue for users who have email accounts on clients’ servers.
Since there is currently no universal magic formula for this error, we will see what the most common causes of this error are and how we can fix them for some clients. …
What Are The Reasons For The Error “Outlook Cannot Connect To The SMTP Server”
SMTP error in Outlook can occur for many reasons, which can be divided into the following categories: i. Problems on the part of the user 2. Multiple problems with the Internet provider. Server side problems.
1. PC / Laptop Firewall Issues
Third-party firewalls and additional antivirus software on users’ computers, although less common, are likely to block connections to some IP devices you, which may include the server’s IP address. This can cause errors in the connection to the mail server when sending letters or letters.
To check for all problems connecting the user’s PC, including laptop, to the mail server, my family and I get 25 domain.com users telnet results that are displayed regardless of whether the user can send the URL to SMTP. port on all mail servers.
2. Outlook Configuration Error
The most common cause of the “Outlook cannot connect to the SMTP server” error is an incorrect Outlook configuration. This mostly happens here with newly configured email accounts.
An erroneous mail server name pointing to the wrong port when configuring Outlook can cause problems connecting to the mail server and an error when trying to send along with receiving e-mails.
Ports are assigned by default for mail services and there is a connection issue, why these ports might cause an error in Outlook:
It is also possible that some webmasters have duplicate profiles in Outlook that definitely contain an old mail server and will therefore try to connect to a misdirected mail server.
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3. Problems With ISP Software
Some ISPs are known to block traffic on port 25 to minimize automatic spam. This is the most common reason Outlook generates error 0x80042109 (“Outlook just can’t connect to the SMTP server”).
The effect of “tracing the route” on the mail server. on our own user side helps with distribution if there are connection problems in any of the intermediate networks between the user’s PC and the delivery server.
4. Problems With The Server Firewall
Firewalls are protective barriers that we put in place We press inside machines to protect them from malicious acts or hackers. Sometimes, servers using these firewalls can block specific IP addresses or ranges of IP addresses due to abnormal behavior.
Also, unsuccessful connection attempts, or sometimes too many connection attempts to my server, can block the IP address on the forum firewall. This may result in the “Outlook can connect to the SMTP server” error.
Common causes of Outlook error 0x80042109 mentioned in this article. As part of our website maintenance services, we treat each client based on their uniqueness and explore all possibilities before coming up with a final solution.
We go through the debugging process step by step to fix Outlook Outlook 0x80042109 in no time.
1. Solving End-user Problems
If the user reports an error, check the server logs to see if the user can successfully connect to the mail server, usually via webmail or various types of mail clients.
If userFor this, the customer can connect to the IP address of the mail server, as well as to the SMTP and POP ports, this is ultimately related to the Outlook settings, not the connection. We check this with the results of “traceroute” “Telnet”.
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Then we just guide users with best practices to set up their Outlook mailbox using client, port number, SSL settings and mail servers.
2. Troubleshooting ISP Or Network Problems
Open your email client services (Outlook Express, Outlook, Eudora, or Windows Mail)On the Tools menu, click Accounts.As for your email account, click and then just click the Properties button.Click the General tab.Please make sure the specified “Email Address” is your valid email address for this account.Click the Server tab.
If there are problems with ISP or network connection, we strongly recommend users to go to the mail server and send email.
To override provider port blocking and allow users to send email, you usually configure SMTP to an alternate port on our servers. Using a non-standard port like 587 also protects our mail server.
Once the mail server is optimized to listen on a new port, my wife and I will also add that port to the firewall’s whitelist to allow incoming connections on that port.
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3. Eliminating Server Freezes
Finding the IP address of each client in the server firewall software is one of the first tips we do when we can’t find the actual connection in the logs of other plans. The user’s IP addresses can be specified using tools such as http://whatismyipaddress.com/
As soon as the IP address is displayed in the firewall, we will immediately unblock it to establish advanced communication for the client. There are different types of firewalls like CSF, iptables, etc. and deleting list changes in each.
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Since repeated bans on IP addresses can be inconvenient and waste time for end users, almost everyone tries to reduce the inconvenience to customers by taking the following steps Active measures:
- Check server logs regularly to always check IP blocks and give valid IP addresses.
- Whitelist client IP addresses after verification.
- Customize firewall rules for clients to avoid pain but avoid abuse.
If you would like to know how to provide pleasant support to your email users, we’d love to talk to you.
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Check your internet connection. Yeah.Check your SMTP server details.Practically check logins and passwords.Check the connection with someone else’s SMTP server.Change your SMTP port.Check your antivirus or firewall settings.
Modify the firewall rules on the host to allow outgoing connections through outlets such as 465.Use a server to change restrictionsI am SMTP.Change PHPMailer settings the same as host, port, etc.Correct DNS resolution to get the mail server.
Messaggio Di Errore Che Outlook Non Riesce A Connettersi Al Server Smtp In Uscita
Foutmelding Outlook Kan Geen Verbinding Maken Met Uw Uitgaande Smtp Server
Fehlermeldung Outlook Kann Keine Verbindung Zu Ihrem Ausgehenden Smtp Server Herstellen
오류 메시지 Outlook이 발신 Smtp 서버에 연결할 수 없습니다
Message D Erreur Outlook Ne Peut Pas Se Connecter A Votre Serveur Smtp Sortant
Mensagem De Erro O Outlook Nao Consegue Se Conectar Ao Seu Servidor Smtp De Saida
Soobshenie Ob Oshibke Outlook Ne Mozhet Podklyuchitsya K Vashemu Ishodyashemu Serveru Smtp
Felmeddelande Outlook Kan Inte Ansluta Till Din Utgaende Smtp Server
Mensaje De Error Outlook No Puede Conectarse A Su Servidor Smtp Saliente
Komunikat O Bledzie Outlook Nie Moze Polaczyc Sie Z Wychodzacym Serwerem Smtp
