You receive an email that is missing the attachment. The reason: the size of the attachment was bigger than 20MB.
You try to send an email with attachments together are bigger than 20MB. A message appears that this isn't possible.
You try to add a file as an attachment. However, the file is bigger than 20MB. A error message appears.
You can't send or receive emails bigger than 20MB in Carerix. The maximum size of attachments in Carerix is 20MB.
The maximum of 20MB applies when the email is send from the Carerix e-mail server. If you use your own mail server (SMTP), than a different maximum can apply.
The size of the attachments together is shown in the email window (red if the size is bigger than 7MB).
To send a email with attachments bigger than 20MB, you can compress the attachment.
A free tool is for example 7Zip.
If you have multiple attachments, you can send the attachments in multiple e-mails.
There are several online services where you can store the files. An example is WeTransfer.