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Mail Receive Function Specifications Section 3-2
Response E-mail
Attached
file
Data format • IOM Write command:
Writes an I/O memory data file (IOM, TXT, or CSV) to the CPU Unit.
• File Write command:
Any type of file (a file with any filename extension) can be written to EM file memory or a
Memory Card mounted in the CPU Unit.
Data size • IOM Write command: 6,000 words max. (same limit for all file types)
• File Write command: 1 MB max.
Format MIME (version 1.0) format
Number of
attachments
Only one file
If more than one file is received, only the first file will be received and the remaining files will be
discarded.
Reception
(decoding)
Subject: Us ASCII
Body: Us ASCII
Attached file: Base64, quoted printable, 7 bit
Note Only one attached file is allowed. The filename must be ASCII and up to 8 + 3 charac-
ters long.
Encryption None
Compression None
Command line Body: Data can be entered. (Lines other than the parameter line are comment lines.)
Attached file: Cannot be entered.
Protection Protections when reading mail:
Authentication by password.
Protections when receiving remote mail commands:
The following protections can be used.
1. Receive from specified mail address only.
2. Receive attached files with the specified filename extensions only.
3. Restrict the remote mail commands that will be accepted.
Item Specification
Item Specification
Protocol used SMTP (Port number: 25/TCP; can be changed in the CPU Bus Unit Setup using the CX-
Programmer.)
(The Use POP before SMTP Option can be selected to authenticate account and pass-
word information with the "POP before SMTP" method.)
Subject The remote mail command is automatically entered after "Re:".
Example: Re: FileRead
E-mail body Contains the response code and response status (fixed text associated with the response
code).
Attached
file
Data format • IOM Read command:
Reads data from the CPU Unit and creates an I/O memory data file (IOM, TXT, or CSV).
• File Read command:
Any type of file (a file with any filename extension) can be read from EM file memory or a
Memory Card mounted in the CPU Unit.
Data size • IOM Read command: 6,000 words max. (same limit for all file types)
• File Read command: 1 MB max.
Format MIME (version 1.0) format
Number of attach-
ments
Only one file
Response
(encoding)
Subject: Us ASCII
Body: Us ASCII
Attached file: Base64
Encryption None
Compression None