可以修改，具体修改方法如下：

一、打开百度搜索，在搜索栏输入“支付宝”，搜索后找到支付宝官网并点击进入。

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二、进入支付宝官网以后，找到“登录”一项，点击进入。

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三、进入登录界面以后，输入相应信息登录。

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四、登录成功以后，找到“账户设置”一项，点击进入。

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五、进入账户设置以后，找到邮箱一栏，点击修改进入。

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六、进入以后输入新的邮箱地址，验证通过后就可以将支付宝绑定的邮箱修改好。

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