Email attachments: Difference between revisions
Email attachments, email attachment issues, troubleshooting email attachments, blocked attachments, spam and virus filtering |
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==Email security and attachments== | |||
XMission rejects email attachments with commonly malicious file formats as a security measure to prevent potential viruses from impacting customers. Rejecting emails with executable files, for example file.exe, will protect you from possibly receiving malicious software containing a virus or malware. | XMission rejects email attachments with commonly malicious file formats as a security measure to prevent potential viruses from impacting customers. Rejecting emails with executable files, for example file.exe, will protect you from possibly receiving malicious software containing a virus or malware. | ||
This blocking is applied to all inbound and outbound email. Automatically, a reject notice will be sent to any sender attempting to send to, or from, the XMission mail system. | This blocking is applied to all inbound and outbound email. Automatically, a reject notice will be sent to any sender attempting to send to, or from, the XMission mail system. | ||
==Blocked file types== | |||
Rejected files end in: '''scr, vbs, dll, exe, shs, bat, lnk, pif, chm, hta, com, cmd''' | |||
== Zip to send== | |||
XMission customers needing to send a file type on this list can archive it as a ".zip" file first, then send that file as an attachment. | XMission customers needing to send a file type on this list can archive it as a ".zip" file first, then send that file as an attachment. | ||
==Maximum attachment sizes== | |||
XMission allows email attachments with the following sizes: | |||
* Up to 10 MB for @xmission.com accounts via https://webmail.xmission.com | |||
* Up to 25 MB for @xmission.com email sent with mail applications | |||
* Up to 50 MB for our hosted Zimbra email sent to external | |||
==Learn more== | |||
Learn how XMission [http://transmission.xmission.com/2013/08/14/how-xmission-spam-and-virus-filtering-works filters for viruses and spam]. | Learn how XMission [http://transmission.xmission.com/2013/08/14/how-xmission-spam-and-virus-filtering-works filters for viruses and spam]. | ||
Revision as of 12:37, 3 February 2015
Email security and attachments
XMission rejects email attachments with commonly malicious file formats as a security measure to prevent potential viruses from impacting customers. Rejecting emails with executable files, for example file.exe, will protect you from possibly receiving malicious software containing a virus or malware.
This blocking is applied to all inbound and outbound email. Automatically, a reject notice will be sent to any sender attempting to send to, or from, the XMission mail system.
Blocked file types
Rejected files end in: scr, vbs, dll, exe, shs, bat, lnk, pif, chm, hta, com, cmd
Zip to send
XMission customers needing to send a file type on this list can archive it as a ".zip" file first, then send that file as an attachment.
Maximum attachment sizes
XMission allows email attachments with the following sizes:
- Up to 10 MB for @xmission.com accounts via https://webmail.xmission.com
- Up to 25 MB for @xmission.com email sent with mail applications
- Up to 50 MB for our hosted Zimbra email sent to external
Learn more
Learn how XMission filters for viruses and spam.