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LPCaillouet's avatar
LPCaillouet
New Contributor
2 years ago

Cox SMTP Access Blocked for Vacation Home IP Address

Cox is the ISP at home in Louisiana.  On Cox WiFi there, I am successful in using either Microsoft Outlook on my Windows 10 laptop or Mail on my iOS 15.7 iPhone (with cellular data either on or off) ...
blacklist
IP blocked
SMTP access
LPCaillouet's avatar
LPCaillouet
New Contributor
2 years ago

Looks like "Spamhaus ZEN".

  • WiderMouthOpen's avatar
    WiderMouthOpen
    Esteemed Contributor
    2 years ago
    Spamhaus ZEN

    Look up your IP address here. It should show options for delisting. I checked mine and has a PBL listing which isn't anything to worry about. Did you check that your IP has a PTR?