企业邮箱发件被Gmail退回的解决方法
故障点(发件给gmail被退回):
发件人(zhengqipeng@hf.supermask.com)域名的DNS记录未设置或设置错误导致对方拒收此邮件。常报废host gmail-smtp-in.l.google.com[142.251.12.271said:550-5.7.2 Your ema has ben blocked because the sender is unauthenticated. mal requires al senders to authenticate with ethen Spf or DK. Authenticaton results: DkiM = did not pas SPF [hi7Ú周趔芝牵廲荭奾瑠棰軾法锐2cacd2d891esi1275097a91.32-gsmtp(in reply to end of DATA command)