Which email clients are compatible with Windows ESET products?

KB Solution ID: SOLN2138|Last Revised: August 20, 2014

ESET Endpoint Security, ESET Endpoint Antivirus, ESET Smart Security and ESET NOD32 Antivirus are compatible with the email clients indicated below. Compatibility with ESET products means that, regardless of the protocol used, all email received is scanned for threats and spam.

Additionally, the ESET Smart Security Antispam module (toolbar) currently displays in the same email clients indicated below by the green check marks.



ESET Smart Security / ESET NOD32 Antivirus v3.0

ESET Smart Security / ESET NOD32 Antivirus v4.0

ESET Smart Security / ESET NOD32 Antivirus v4.2 / ESET File Security 4.5
ESET Smart Security / ESET NOD32 Antivirus v5.x

ESET Endpoint Security /Endpoint Antivirus v5.x

ESET Smart Security / ESET NOD32 Antivirus v6.x, v7.x

Microsoft Outlook
2000 – 2007


Microsoft Outlook


v4.2.58 and later

Microsoft Outlook

v5.2.14 and later

Microsoft Outlook Express

Windows Mail
Windows Live Mail
v12, v14 (2009)
Windows Live Mail
v15 (2011 **)
Windows Live Mail
v16 (2012 **)



Mozilla Thunderbird 2.0

Mozilla Thunderbird 3.0    
Mozilla Thunderbird 3.1    

v4.2.59 and later
Mozilla Thunderbird 5.0      

v5.0.91 and later
Mozilla Thunderbird 6.0
(and later *)



  • * ESET Smart Security version 5 and higher will scan POP3/POP3S and IMAP/IMAPS email for the presence of malicious code while using Mozilla Thunderbird 6 and later or other email clients not listed above. Email will not be scanned for spam, however.
  • ** With Windows Live Mail 2011 / 2012, although no ESET icon appears in the taskbar, the plug-in is otherwise fully functional.
  • BETA email clients: In some cases, beta email clients are not supported.


If you are using an email client that is supported by ESET Smart Security but you cannot see the Antispam toolbar in your email client, please visit the following ESET Knowledgebase article for instructions on reintegrating the toolbar:

Rate this article:
1 2 3 4 5
Please comment on your rating...
We cannot respond to feedback from this form. Requests for assistance should be submitted through your normal support channel.
5 - Definitely
4 - Mostly
3 - Somewhat
2 - Not Really
1 - Not At All