You can find out the maximum email size for sending or receiving emails via an
email account at EUserv in the respective product description of your plan on the
For example, if you ordered the plan “MailDomain Pro” the maximum size of emails
is 100 MB.
From this size, you should split the attachments of your emails.
Suitable tools for splitting your file attachments can be found for free on the Internet.
However, emails should generally not be sent at such sizes because
a) the delivery lasts very long and
b) the recipient can have problems while receiving the email.
For larger data transfers protocols such as FTP/SSH/SCP or the EUserv online BackupHD