| bounced |
2026-04-04 18:03:43 |
51.68.67.51 |
chirag.gala@ymail.com |
|
mta7.am0.yahoodns.net (67.195.228.109) |
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 51.68.67.51 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information. |
| bounced |
2026-04-04 18:03:32 |
51.68.67.51 |
cashikhajain@ymail.com |
|
mta7.am0.yahoodns.net (67.195.204.74) |
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 51.68.67.51 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information. |
| bounced |
2026-04-04 18:03:21 |
51.68.67.51 |
jgautam@ymail.com |
|
mta7.am0.yahoodns.net (67.195.204.74) |
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 51.68.67.51 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information. |