550 Requested mail action not taken: too much recipient 群发数量超过了限额; 552 Illegal Attachment 不允许发送该类型的附件,包括以.uu .pif .scr .mim .hqx .bhx .cmd .vbs .bat .com .vbe .vb .js .wsh等结尾的附件; 552 Requested mail action aborted: exceeded mailsize limit 发送的信件大小超...
To specify the maximum size of a single email that can be sent via the email subsystem, set a value for the Attachment size limit field.On the Email parameters page, note the following settings on the SMTP settings tab.In the Outgoing mail server, you need to specify the hos...
1 I don't see any major flaw in your code and I think GMail raised its attachment size limit to 50Mb some time ago... anyway, I suggest you to proceed with the following modifications: Increase your timeout as much as possible, this alone could solve your problem if you are dealing...
Alternative Transfer Mechanisms: Consider using a different mechanism or protocol to transfer the attachment. For instance, you could provide the attachments through HTTP or FTP and include links to them in your email. Remember that the specific solution depends on your situation and the server’s ...
•552 Illegal Attachment 不允许发送该类型的附件,包括以.uu .pif .scr .mim .hqx .bhx .cmd .vbs .bat .com .vbe .vb .js .wsh等结尾的附件; •552 Requested mail action aborted: exceeded mailsize limit 发送的信件大小超过了网易邮箱允许接收的最大限制; ...
tnef. The attachment is called Winmail.dat. It contains the full message content and any attached files. Only MAPI clients, such as Outlook, are able to decode the Winmail.dat attachment. Non-MAPI clients are unable to decode TNEF and might show Winmail.dat as a typical, but useless ...
Create an email message (with image attachment)? Create an ODBC connection in the registry using vb.NET Create class from SQL-Server database table Create DataGridView at run time Create Desktop Shortcut ClickOnce Application VB2015 Create excel file without Import Microsoft.Office.Interop.Excel Cr...
tnef. The attachment is called Winmail.dat. It contains the full message content and any attached files. Only MAPI clients, such as Outlook, are able to decode the Winmail.dat attachment. Non-MAPI clients are unable to decode TNEF and might show Winmail.dat as a typical, but useless ...
When sending an email with large attachments from your mail server, you should also beware of the receiving server’s attachment size limit. For example, You can not send an attachment larger than 25MB to a Gmail address. Step 11: Creating Email Alias ...
Whenever those file extensions are found in any attachment, the selected action will be performed. Block files by extension Activate the extensions-based filtering on files and reveal the additional virus filter options. Choose handling of blocked files There are three or four available actions (...