Mail Server specifications

    Supported protocols and the corresponding port numbers they use: SMTP (port 25), POP3 (port 110), IMAP (port 143), AppleShare IMAP administration (port 626), APOP (port 110), PASS (port 106), Finger (port 79), and Notify Mail (port 79)
    Maximum message size: 512 MB
    Maximum recipients per message (before expansion of group names): 4096
    Supported character size: Eight-bit transparent for interoperability with two-byte character sets
    Shared folder support conforms to Internet standard RFC 2086
    Maximum number of transfers per POP connection: 2048
    Maximum number of incoming SMTP connections: 1024
    Maximum number of outgoing SMTP connections: 64
    Maximum number of POP and IMAP connections: 2048
    Maximum number of IMAP folders per user: 1000
    Maximum number of messages per IMAP folder: 1000
    Maximum folder name size: 128 bytes
    Maximum IMAP folder path depth: 32 folders or 256 characters
    Maximum number of unique messages stored on the Mail Server: approximately one million
    Maximum size of the AppleShare IP Mail 6 Data file: 2 gigabytes

    Note: The maximum number of connections is also dependent upon the amount of memory allocated to the Mail Server program and the speed of the server's processor.

 


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