- #IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT HOW TO#
- #IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT PRO#
- #IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT SOFTWARE#
- #IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT WINDOWS#
It can recover all the mailbox items, including emails, attachments, contacts, etc.When it comes to constructing a fence, you have a ton of options to consider for materials and design. It’s a powerful tool that can work with even large PST files without any problem.
#IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT SOFTWARE#
The software can easily repair severely corrupt PST files in a few steps. In that case, you can use an advanced Outlook repair software, such as Stellar Repair for Outlook. If the PST file is severely corrupt, then ScanPST.exe may fail to repair the data file. It is located in Outlook’s installation directory. To repair the PST, you can use Outlook’s in-built utility called ScanPST.exe. You need to repair the corrupt PST file to resolve such issues. When Outlook PST is corrupt, it can lead to several errors, including the 421 cannot connect to SMTP error. Repair PST File to Fix 421 Cannot Connect to SMTP Disabling such applications can help resolve the 421 cannot connect to SMTP error. Check Other ApplicationsĪpart from Firewall, other applications such as VPN or Antivirus may also interfere with the normal functioning of MS Outlook.
#IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT WINDOWS#
Turning Off Firewall in Windows Settings 4.
Turn off the Firewall under both private and public network settings. Open System and Security and then click Windows Firewall. Go to the Start menu and open Control Panel. If the 421 error is caused due to Firewall interference, disabling Firewall can help fix the issue. If the Firewall is blocking certain functions of Outlook, such as receiving and sending of emails, it can result in the error: the server responded 421 cannot connect to SMTP. Windows Firewall regulates Internet access for all the applications on your system. Click Next and wait till the account is set up.Ĭheck if the 421 cannot connect to SMTP error is fixed. Click the New button and enter the email account’s credentials. Select the email account that’s causing the error and click the Remove button. In the Send/Receive Groups window, click Edit, and select your email account. Note: If you can’t open Internet Email Settings window, press CTRL + S + ALT. Click More Settings and open the Advanced tab. Select the email account that’s throwing the error and click the Change button. Launch Outlook and go to File > Account Settings. To resolve the error, you need to change the SMTP settings. If this port is blocked, you can’t send emails and may encounter the 421 error. Modify SMTP Settingsīy default, the SMTP uses port 25. To fix the error 421, follow the given solutions: 1. #IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT HOW TO#
How to Fix Error 421 Cannot Connect to SMTP Server? To repair your PST safely and quickly, use a reliable PST repair software, such as Stellar Repair for Outlook.
#IPAGE EMAIL OUTLOOK ERROR 421 CANNOT CONNECT TO SMT PRO#
Pro Tip: PST file corruption is a common reason behind the error 421.
An unknown error occurred: Server Error 421. The server responded: 421 cannot connect to SMT. The server responded 421 cannot connect to SMTP server. When facing error 421, you may receive the following messages: Server Responded 421 Cannot Connect to SMTP Server Formats The 421 error may also occur when Firewall or Antivirus program interferes with Outlook. This error is particularly common in IMAP Outlook accounts that are set up with incorrect SMTP configurations. Outlook users often face an error “the server responded 421 cannot connect to SMTP”, while sending email in Outlook. 
How to Fix Error 421 Cannot Connect to SMTP Server?. Server Responded 421 Cannot Connect to SMTP Server Formats.
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