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MELSEC-F
USING THE E-MAIL FUNCTION10
10 - 6
10.4 E-mail Specifications
The following table lists the specifications of the e-mail function.
*1 Ethernet modules V1.10 or later support port numbers 1 to 65535. The port number is fixed to "25" in Ethernet modules earlier than V1.01.
*2 Ethernet modules V1.10 or later support the authentication function.The port number is fixed without authentication in Ethernet modules earlier than V1.01.
*3 Ethernet modules V1.10 or later support port numbers 1 to 65535. The port number is fixed to "110" in Ethernet modules earlier than V1.01.
NOTE
Mail terminology list:
DNS server: Server that manages networks
SMTP server: Server that delivers (transfers) e-mail between mail servers
POP3 server: Server that transfers received e-mail addressed to subscribers to
the corresponding subscribers
Item Specification
Transmission
specifications
Transmission
and reception
data
Data size
Attached file 2048 words 1
Main text 256 words 1
Data transfer method
When sending: Sends either a file as attachment or main text (select one).
When receiving: Receives file as attachment.
Subject US-ASCII format or ISO-2022-JP (Base 64)
Attached file format MIME format
MIME Version 1.0
Data of attached file format
Binary/ASCII/CSV can be selected.
File name: XXXX.bin (binary), XXXX.asc (ASCII), XXXX.csv (CSV)
(CSV: Comma Separated Value)
Division of attached file
Cannot be divided (only one file can be sent/received)
* If any divided files are received, only the first file will be received and the remaining files
will be discarded.
When sending (encode)
Subject: Base 64/7 bits
Main text: 7 bits
Attached file: Base 64
When receiving (decode)
Subject: (Does not decode)
Main text: (Cannot be received)
Attached file: Base 64/7 bits/Quoted Printable
* If e-mail is sent from the external device to the PLC side, specify the encoding method
(Base 64/7 bits/Quoted Printable) of the attached file.
Encryption No
Compression No
Communication with mail
server
SMTP
Port number
*1
1 to 65535 No authentication, POP before SMTP: 25
(initial)
SMTP-AUTH: 587
Authentication
method
*2
• No authentication
• SMTP-AUTH (PLAIN, LOGIN, CRAM-MD5)
• POP before SMTP
POP
Port number
*3
1 to 65535 POP3: 110 (initial)
Operation check mailer
Microsoft Corporation Outlook Express 6