Ipage email outlook error 421 cannot connect to smt
To do this, open Outlook and go to File > Account Settings, select the account in question and click the Remove button.
If you were previously able to send emails in Outlook, start with Method 2 and work your way down. If you only configured the Outlook account, start with Method 1 and troubleshoot for configuration mistakes. To make sure the issue is not being caused by a bad Outlook installation, reinstall your Outlook version and see if the error message is still appearing. Note: Before you troubleshoot with the methods below, make sure your Outlook installation hasn’t become corrupted. Below you have a collection of methods that were deployed successfully by users to deal with the” server responded: 421 cannot connect to SMT/ SMTP server” error and send emails normally in Outlook. This is known to trigger the “server responded 421 cannot connect to SMT server” error.ĭepending on the cause of the error message, users should make use of the appropriate solution.
Interference caused by a VPN connection – Some VPN providers (particularly new products) might not have the email server that you used whitelisted.While this is effective in preventing infected PCs from acting as SPAM networks, it also creates a lot of problems for the end user, including the 421 Cannot connect to SMTP server error. Filtered traffic on port 25 – One of the most common practices enforced by ISPs in order to minimize automated spam is to block traffic through port 25.
This could be the underlying cause for receiving the error when sending an email in Outlook. However, some 3rd party firewalls and antivirus suites are configured to block connection to some IP ranges, which could include the email server.
#IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT WINDOWS#
Firewall-related issues – This behavior is not known to happen with the built-in Windows firewall.But this is only applicable if the issue appeared with a newly configured email account. Outlook Configuration mistakes – The most common reason for the Outlook cannot connect to SMTP / SMT server error is a configuration mistake in Outlook settings.
SMTP / SMT errors encountered in Outlook can be broadly split into the following four categories: The error is a fairly common occurrence with Gmail accounts configured in Outlook. Often times the error appears due to incorrect settings for the SMTP/ /SMT server, but there are a few other causes that will trigger this Outlook behavior. Some users have reported receiving the “server responded: 421 cannot connect to SMT / SMTP server” error when trying to send an email in Outlook.