[Important] Change to require encrypted authentication
for mail server connections

Dear SpinNet Customers,

Thank you very much for using SpinNet.

We will be phasing out Non-SSL POP/SMTP authentication from August 1, 2022 in order to enhance security.

If you do not configure POP/SMTP over SSL on your email software, you will not be able to send and download emails. Please confirm your email software settings.

We would appreciate your understanding and cooperation.

For further details, please refer to the following:

1. The change that requires SSL for POP and SMTP authentication

Please refer the following website " Change to require encrypted authentication for mail server connections ".

2. Non-SSL POP/SMTP authentication Termination Date

From August 1, 2022 (Mon.)

3. How to confirm the settings of your email software

If you do not configure POP/SMTP over SSL on your email software, you will not be able to send and receive emails. Please confirm your email software settings.

Please refer to POP/SMTP over SSL in Software Setting Guide page in order to configure your email software.

[Basic configuration for POP/SMTP over SSL]

Name		Value
Incoming Server	Protocol	POP3
	mail server	popssl.att.ne.jp
	mail server Port	995
	mail server SSL Setting	SSL/TLS
Outgoing Server	Protocol	SMTP
	mail server	smtpssl.att.ne.jp
	mail server Port	465
	mail server SSL Setting	SSL/TLS
User Name		Your mail address
Password		Your mail password

4. Notes

We will disable TLS1.0/1.1 in order for security enhancement.
You will encounter problem when you configure POP/SMTP over SSL on your email software which does not support TLS1.2 connection.

[Solution]

• Update your email software
  Please update your email software if later version is released.
• Install another email software
  Old version of OS or email software might not be able to POP/SMTP over SSL. Please update to the latest one in order for secure access to SpinNet mail server.

Please contact our customer support center if you have any further questions.