Nikolas Bauer via mailop skrev den 2023-03-16 11:32:
SMTP error from remote server for RCPT TO command, host:
au-smtp-inbound-2.mimecast.com (124.47.150.26) reason: 550
Administrative prohibition - envelope blocked -
https://community.mimecast.com/docs/DOC-1369#550 [1]
[Xwi6G9SYM7adxsiZUWh3pw.au54]
Anyone got some direct contacts?
550 Administrative prohibition envelope blocked
The sender's email address or domain has triggered a Blocked
Senders Policy or there's an SPF hard rejection.
Delete or modify the Blocked Senders policy to exclude the
sender address.
follow the url helps
ensure sender have not shared ip, and is dkim signed, setup dmarc poliy
none, and feedback to see how it goes
gmail have a spf with 300000 + ipv4 and i still see spam mails with spf
fails
hmm :)
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