支付宝邮箱可以更改，下面介绍一下简单的修改方法。
通过【电子邮箱+证件号码+支付密码】修改邮箱登录名的流程
使用前提： 适用于邮箱可收邮件，记得支付密码、注册和认证时填写的证件号码
1 登录支付宝服务大厅，点击【自助服务】—【修改邮箱名】。
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2 选择【通过电子邮箱+证件号码+支付密码】，点击【立即修改】。
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3 填写证件号码和支付密码，点击【下一步】。
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温馨提示： 未认证用户填写注册的证件号码，实名认证账户填写认证的证件号码。
4 系统发送邮件到原来的邮箱，点击【立即查收邮件】。
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https://iknow-pic.cdn.bcebos.com/b219ebc4b74543a9331b8e1012178a82b80114ed"/>
5 打开对应邮件，点击【立即修改邮箱】。
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6 提示邮箱验证成功，点击【继续修改邮箱】。
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https://iknow-pic.cdn.bcebos.com/7aec54e736d12f2e8c82dabc43c2d56284356862"/>
7 输入新邮箱，点击【下一步】。
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https://iknow-pic.cdn.bcebos.com/810a19d8bc3eb135526ec367aa1ea8d3fc1f4444"/>
8 发送邮件到新邮箱，点击【立即查收邮件】。
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9 进入对应邮件，点击【立即完成修改】。
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10 提示修改成功。
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