| bounced |
2026-04-04 18:04:01 |
178.32.206.143 |
alfredavinash_d@yahoo.in |
|
mx-apac.mail.gm0.yahoodns.net (106.10.248.74) |
smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 178.32.206.143 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information. |
| bounced |
2026-04-04 18:03:45 |
178.32.206.143 |
kumaralokeca@yahoo.in |
|
mx-apac.mail.gm0.yahoodns.net (106.10.248.74) |
smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 178.32.206.143 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information. |
| bounced |
2026-04-04 18:03:21 |
178.32.206.143 |
suguna_kul@yahoo.in |
|
mx-apac.mail.gm0.yahoodns.net (106.10.248.74) |
smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 178.32.206.143 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information. |