Recent reportsWe have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
2026-11-11T14:30:28.418442-05:00 mail postfix/smtpd[497451]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sen ...
show more2026-11-11T14:30:28.418442-05:00 mail postfix/smtpd[497451]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
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2026-11-08T20:30:34.927957-05:00 mail postfix/smtpd[393298]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sen ...
show more2026-11-08T20:30:34.927957-05:00 mail postfix/smtpd[393298]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
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2026-11-07T10:08:28.117970-05:00 mail postfix/smtpd[340311]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sen ...
show more2026-11-07T10:08:28.117970-05:00 mail postfix/smtpd[340311]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
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2026-11-06T10:07:02.939742-05:00 mail postfix/smtpd[303067]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sen ...
show more2026-11-06T10:07:02.939742-05:00 mail postfix/smtpd[303067]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
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2026-11-04T10:09:52.149081-05:00 mail postfix/smtpd[228304]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sen ...
show more2026-11-04T10:09:52.149081-05:00 mail postfix/smtpd[228304]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
2026-11-05T10:26:49.140130-05:00 mail postfix/smtpd[266205]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk
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2026-10-28T10:16:23.851071-04:00 mail postfix/smtpd[279887]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sen ...
show more2026-10-28T10:16:23.851071-04:00 mail postfix/smtpd[279887]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
2026-10-29T10:27:07.112563-04:00 mail postfix/smtpd[315541]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.
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2026-10-23T10:14:42.972103-04:00 mail postfix/smtpd[103802]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sen ...
show more2026-10-23T10:14:42.972103-04:00 mail postfix/smtpd[103802]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
2026-10-24T10:08:43.902171-04:00 mail postfix/smtpd[139225]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk
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2026-10-21T11:09:44.137733-04:00 mail postfix/smtpd[1140930]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the se ...
show more2026-10-21T11:09:44.137733-04:00 mail postfix/smtpd[1140930]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
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2026-10-19T10:15:45.567008-04:00 mail postfix/smtpd[1061821]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the se ...
show more2026-10-19T10:15:45.567008-04:00 mail postfix/smtpd[1061821]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
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2026-10-17T10:15:57.639292-04:00 mail postfix/smtpd[985799]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sen ...
show more2026-10-17T10:15:57.639292-04:00 mail postfix/smtpd[985799]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28.jfk.braze.com>
2026-10-18T10:18:52.412571-04:00 mail postfix/smtpd[1023234]: NOQUEUE: reject: RCPT from 137.22.249.28.jfk.braze.com[137.22.249.28]: 554 5.7.1 <137.22.249.28.jfk.braze.com>: Helo command rejected: ACCESS DENIED. Your email was rejected because the sending mail server appears to be on a dynamic IP address that should not be doing direct mail delivery (137.22.249.28); from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<137.22.249.28
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Brute-Force
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