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Messaging Rules 

The information provided below is an overview of limits and public facing addresses to help clients address any issues they may have sending emails to linklaters staff.

Contact Information

Email: E-mail Linklaters Support
Phone: +44 1206 754141

Anti Spam Rules

No email that originates from outside our domain with the DNS suffix of will be accepted, and instead will be seen as 'spoof'.


    Mail size limits inbound/outbound and size in Mb

    Inbound mail limit - 40 Mb
    Outbound mail limit - 20 Mb

    Public facing firewall addresses

    smtp/mail servers / IP address 

    Zcopef05 /
    Zcopef06 /
    Zlopef01 /
    Zlopef02 /
    Zhkpef01 /
    Zatpef01 / /

    Quarantined messages

    Blocked file types

    Movie attachments
    DLL attachments
    Script attachments
    Script file extensions
    Audio attachments
    Microsoft class 1 extensions

    Inbound / Outbound messaging servers

    Message servers / Names

    Inbound servers /
    Inbound servers /
    Inbound servers /
    Inbound servers /