Cannot send email when travelling
When on my Delta FLight today - I could receive cox email, but not send
When I checked into my hotel - Mariott, I can receive but not send - either from my Iphone, Ipad or laptop.
I can send email from my phones and laptop when using ATT cell service -
My IP address at the Marriott is
Outlook 365 gives me this error
Task 'XXXXXXX@cox.net - Sending' reported error (0x800CCC6F) : 'Your outgoing (SMTP) email server has reported an internal error. If you continue to receive this message, contact your server administrator or Internet service provider (ISP). The server responded: 554 cxr-obgw-5004a.stratus.cloudmark.com cmsmtp 220.127.116.11 blocked. Refer to Error Codes section at www.cox.com/.../email-error-codes.html for more information. AUP#CXDNS'
I have tried using ports 465 and 587 and every combination or SSL etc
I can send email when using cox webmail client - but not when using IMAP or POP from my laptop or Phone
I have windows 10 with latest updates and office 365 - phones are Iphone X with latest IoS
Gmail works, HOtmail works and my email using Bluehost works
Tried restarting - deleting accounts etc - no help