mails to yahoo mail account bouncing back.

Discussion in 'Help Desk' started by Paul Ike, Oct 24, 2018.

  1. Paul Ike

    Paul Ike New Email

    Joined:
    Oct 24, 2018
    Messages:
    1
    Likes Received:
    0
    mails from our office mail server to yahoo mail accounts are bouncing back with 421 4.7.0 [TSS04] i have completed yahoo form yet it has not been resolved.
     


  2. popowich

    popowich EQ Forum Admin Staff Member

    Joined:
    Aug 12, 2008
    Messages:
    9,342
    Likes Received:
    140
    Check the reputation of your office mail server. Is it compromised (or compromised account) and sending spam? Is it also sending bulk marketing emails?
     

Want to reply or ask your own question?

It only takes a minute to sign up (and it's free!). Click the orange sign up button to choose a username and then you can ask your own questions on the forum.
Loading...