Technical information on the mail server

You are here

Technical information on the mail server

Host name mail.imc.tut.ac.jp

The available protocols, port number and authentication method for incoming emails are as follows.

Available protocols, port number and authentication method for incoming emails
Protocols Port number Authentication method
POP3 (TLS is supported) 110 CRAM-MD5, DIGEST-MD5
POP3 over SSL 995 CRAM-MD5, DIGEST-MD5, PLAIN
IMAP (TLS is supported) 143 CRAM-MD5, DIGEST-MD5
IMAP over SSL 993 CRAM-MD5, DIGEST-MD5, PLAIN

The available protocols, port number and authentication method for outgoing emails are as follows.

Available protocols, port number and authentication method for outgoing emails
Protocol Port number Authentication method
SMTP (TLS is supported) 25 CRAM-MD5, DIGEST-MD5
SMTP over SSL 465 CRAM-MD5, DIGEST-MD5, PLAIN
Submission (TLS is supported) 587 CRAM-MD5, DIGEST-MD5

The mail server of the center always requires user authentication when sending emails.

If you are using a provider that implements OP25B (Outbound Port25 Blocking), you should use the Submission port.

As shown from these lists, if the communication is not encrypted, you cannot use an insecure authentication method (plain method).

Page Top