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SMTP service address

Last Updated: Sep 26, 2017

SMTP service address (China East 1): smtpdm.aliyun.com

SMTP service address (Singapore): smtpdm-ap-southeast-1.aliyun.com

SMTP service address (Sydney): smtpdm-ap-southeast-2.aliyun.com

SMTP port: 25, 80, 465 (SSL encrypted).

Note: Port 25 is currently disabled to maintain ECS security. If your sending application is deployed on Alibaba Cloud ECS, we recommend that you use port 80 when SSL is not checked, and use port 465 when SSL is checked.