- emailcamel 的文章
- 登录 / 注册 参与评论
外域入信失败原因
- 550 Suspected spam ip.
- 550 Suspected spam.
- 550 SPF check failed
- 什么是SPF？如何设置SPF来防止我的邮件被拒收呢？
- 550 Mail is rejected by recipients.
- 550 Mailbox unavailable or access denied
- 501 Bad address syntax
- 552 Message too large
- 550 Mailbox not found
- 550 Connection denied
- 550 Mail content denied
- 550 Ip frequency limited
- 550 Domain frequency limited
- 550 Sender frequency limited
- 550 Connection frequency limited
分类
EmailCamel专注全球邮箱验证，让发邮件更容易！领取+200邮箱验证量，快速体验
扫码关注我们(已有+5000关注)，获取邮箱验证及海外群邮干货!
