550 5 7 1 relaying denied

L

LM3

My ISP is Road Runner which has been working fine for several years until the
other day I recieved an error message 550 5 7 1 "relaying denied" when
attempting to send email Road Runner was unable to help me, any advice?
 
M

Milly Staples [MVP - Outlook]

WEre you logged onto RoadRunner and trying to send mail through a third party SMTP server? If yes, then you need to set your authentication to authenticate to RR.

--
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, LM3 asked:

| My ISP is Road Runner which has been working fine for several years
| until the other day I recieved an error message 550 5 7 1 "relaying
| denied" when attempting to send email Road Runner was unable to help
| me, any advice?
 

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