如何解决AWS Route 53 Zoho 电子邮件：异常 java.net.SocketException：连接或出站已关闭
我的域位于 AWS Route 53 托管区域。
我正在尝试使用 ZOHO Mail 主机发送邮件 (spring-boot)。我在哪里收到此错误。
Caused by: javax.mail.MessagingException: Can't send command to SMTP host
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:2431) ~[jakarta.mail-1.6.5.jar:1.6.5]
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:2418) ~[jakarta.mail-1.6.5.jar:1.6.5]
at com.sun.mail.smtp.SMTPTransport.close(SMTPTransport.java:1394) ~[jakarta.mail-1.6.5.jar:1.6.5]
at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:476) ~[spring-context-support-5.2.8.RELEASE.jar:5.2.8.RELEASE]
... 60 common frames omitted
Caused by: java.net.socketException: Connection or outbound has closed
at java.base/sun.security.ssl.SSLSocketImpl$AppOutputStream.write(SSLSocketImpl.java:1270) ~[na:na]
at com.sun.mail.util.TraceOutputStream.write(TraceOutputStream.java:116) ~[jakarta.mail-1.6.5.jar:1.6.5]
at java.base/java.io.bufferedoutputstream.flushBuffer(bufferedoutputstream.java:81) ~[na:na]
at java.base/java.io.bufferedoutputstream.flush(bufferedoutputstream.java:142) ~[na:na]
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:2429) ~[jakarta.mail-1.6.5.jar:1.6.5]
... 63 common frames omitted
我的 Spring Boot 属性配置是
spring.mail.port=465
spring.mail.protocol=smtps
spring.mail.properties.mail.smtp.ssl.enable=true
spring.mail.host=smtppro.zoho.com
spring.mail.username=
spring.mail.password=
解决方法
端口 587 正在工作。
spring.mail.host=smtp.zoho.com
spring.mail.port=587
spring.mail.username=
spring.mail.password=
spring.mail.properties.mail.smtp.from=
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true
spring.mail.properties.mail.smtp.auth=true
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