alertmanager 无法发送邮件 smtp_require_tls: true 和smtp_require_tls: false 都不行

[suqingbin0315]

【 TiDB 使用环境】生产\测试环境\ POC
【 TiDB 版本】 v5.4.0
【遇到的问题】 无法发送邮件
【问题现象及影响】
level=error ts=2022-06-21T02:10:02.72338391Z caller=notify.go:339 component=dispatcher msg=“Error on notify” err=“require_tls: true (default), but “smtp.exmail.qq.com:465” does not advertise the STARTTLS extension”
level=error ts=2022-06-21T02:10:02.723456536Z caller=dispatch.go:264 component=dispatcher msg=“Notify for alerts failed” num_alerts=1 err=“require_tls: true (default), but “smtp.exmail.qq.com:465” does not advertise the STARTTLS extension”
level=error ts=2022-06-21T02:10:17.725205712Z caller=notify.go:339 component=dispatcher msg=“Error on notify” err=“require_tls: true (default), but “smtp.exmail.qq.com:465” does not advertise the STARTTLS extension”
level=error ts=2022-06-21T02:10:17.725276481Z caller=dispatch.go:264 component=dispatcher msg=“Notify for alerts failed” num_alerts=1 err=“require_tls: true (default), but “smtp.exmail.qq.com:465” does not advertise the STARTTLS extension”

[suqingbin0315]

smtp_require_tls: false
http_config:
tls_config:
insecure_skip_verify: true

加上这个好了。