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Why Outlook not sending emails stuck in outbox First of all, you need to figure out what are the common reasons for Outlook email cannot send issue. Large size attachments MS outlook account password was changed recently The account was not authenticated with the mail server Outlook server or ...
Outlook usually restricts attachments which is close to the maximum allowed size. So if your Email service offers 25MB of attachment size, Outlook will restrict any attachment, which exceeds 20 MB. Thankfully, you can increase the size byhacking the Registry.Once the Registry Editor is open, n...
Under Miscellaneous Attachment Settings, clear the Show level 1 attachments check box. Under Level 1 File Extensions, type the attachment file name extensions that you want to block in the Add box. If you want to add more attachment file name extensions in the Add box, you can sep...
Under Miscellaneous Attachment Settings, clear the Show level 1 attachments check box. Under Level 1 File Extensions, type the attachment file name extensions that you want to block in the Add box. If you want to add more attachment file name extensions in the Add box, you ca...