Error : MailKit.Security.AuthenticationException: 535: 5.7.8 Username and Password not accepted. Learn more at 5.7.8 https://support.google.com/mail/?p=BadCredentials x9sm13491053pgt.66 - gsmtp ---> MailKit.Net.Smtp.SmtpCommandException: 5.7.8 Username a...
In case there’s a mismatch, you should correct settings in your device as per email server settings. Reason #2: Missing Certificate in Device Library Many times, this error occurs when the certificate installed on the email server isn’t recognized by the Android device in question. This ...
Red:The email has no encryption security. How to Encrypt Emails in Outlook Outlook is also compatible with the S/MIME protocol, but it requires additional setup. Enable S/MIME encryption. This process will involve getting a certificate or digital ID from your organization’s administrator and ins...
Red: The email has no encryption security.How to Encrypt Emails in OutlookOutlook is also compatible with the S/MIME protocol, but it requires additional setup.Enable S/MIME encryption. This process will involve getting a certificate or digital ID from your organization’s administrator and install...
Otherwise, enter your server's username, IMAP server and port, and SMTP server and port in the corresponding fields. You can also select the checkbox beside Trust any certificate if necessary. Learn how to find this server information in your email client. Click Connect inbox. Your connection ...
Reinstall the Certificate in Outlook If you are connecting to Just Host with Outlook and getting the SSL error follow, these steps to make your computer trust the certificate. Click the View Certificate button. Click Install Certificate Next you will see the import wizard. Leave current user ...
When this error is returned by Microsoft 365 or Office 365, the sending server must break up the number of envelope recipients into smaller chunks (chunking) and resend the message. 4.7.5 Remote certificate failed MTA-STS validation. Reason: <validityStatus> The destination mail ...
chain to a trusted root Certificate Authority and the Common Name or Subject Alternative Name must contain an entry for the host name in the STS policy.This error usually indicates an issue with the destination mail server's certificate. For more information, see...
%s.office.outlook.png. Custom icons can be added if desired.Description framework properties:Expand table Property nameProperty value Format chr (string) Access Type Add, Delete, Get, Replace{Account GUID}/ACCOUNTTYPEExpand table ScopeEditionsApplicable OS ❌ Device ✅ User ✅ Pro ✅ ...
If Test email sending failed is displayed, check whether the receiver's mailbox server requires CA certificate verification. If it is required, download the CA certificate from the receiver's mailbox website and upload it in the Mailbox Certificate area....