Mimecast

Jump to ↓

█▒░▓▓▓▓▓▓▓▓▓▓▒▒▒▒█▓▓▓▓▓▓▓▓▓▓▒░▓░▓▓▓▓▓▓▓▓▓█▒▒░▒░▓▓▒▒██░░░█▒▒▒░▒▒▒▒▒▓▓▓▓▓▓▓▓▓░▓▒▒▒▒▒▓▒▓▓▓▓▓▓▓▓▓▒▒▓░▒▓░▓▓▓▓▓▓▓▓▓▓▓▒█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░░░▓█▒▒▒░░▓█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒█▓▒▓▒▒▒░▓▓▓▓▓▓▓▓▓▒▓█▓▓▒▒▒░▓▒▓▒▒█▒▒▒▓░▒▓▓▒▓▓▓▓▓▓▓▓▓░▒▒▒▒▓▓▓▓▓▓▓▓▓▓██▒▓▓█▒░▓▓▓▓▓▓▓▓▓▒░▒▒▒░█░▒░▒▒░░▒░▓▓▒░▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░█░░█▓▓▓▓▓▓▓▓▓▒▒░▓▒▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▒▒░▒░▓▓▓▓▓▒░▒░▓░▒▒▒▒▓▓▓▓▓▓▓▓▓▒▓▒▒▓░▒██▒▒▓▒░▒▓▓▓▓▓▓▓▓▓▓▓▒▒▓▒▓▓▓▓▓▓▓▓▓▒▓█▒▒▒░▒▓▓▓▓▓▓▓▓▓▒▒▓▒▓░░▒░▓▒█▓▓▓▓▓▓▓▓▓▒▒░▓▓▓▓▓▓▓▓▓▓░▒▒▓█▓▓▓▓▓▓▓▓▓▒▓▒█░▒▒▓▓▓▓▓▓▓▓▓░█░▒▓░▓▓▓▓▓▓▓▓▓▓░░▓░▒█░▒▒▓░░▒▓▒▓▓▓▓▓▓▓▓▓░░▒▓█▒▓▒█▒▒░▓█▒░▒░▒▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▒▓▓▓█▓▒░▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█░░░▒█▒▓▒▓▓▓▓▓▓▓▓▓▒░▓▓▓▓▓▓▓▓▓▒░▒▓▓▓▓▓▓▓▓▓█▒▒░▒▓▓▓▓▓▓▓▓▓▓░▓▒▓█▓░▒█▓░░▓▓▓▓▓▓▓▓▓▓▒█▓▓▓▓▓▓▓▓▓▓▓░▒██▓▒▓▓▓▓▓▓▓▓▓░▒▒▒▓▓▓▓▓▓▓▓▓▒▒▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▒▒░▒▒█▓▓▓▓▓▓▓▓▓▒▒▓▓▒▒░░▓▓▓▓▓▓▓▓▓▓▓▒▓▓▓▓▓▓▓▓▓▓░█▓▓▓▓▓▓▓▓▓▒░░░░█▒▓▓▓▓▓▓▓▓▓▓▓▒▒▒▒▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░▒▒░▒█▒▒▒▓▓▓▓▓▓▓▓▓▒░█▒░█▓▓▒░▓▓▓▓▓▓▓▓▓▓▒░▓▓▓▓▓▓▓▓▓▓░█░▒░░▒▓░▓▓▓▓▓▓▓▓▓█░▓▓▒▒▒░░░▓▓▓▓▓▓▓▓▓░░███▓█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░░░▒▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▒▒▓▓▓▓▓▓▓▓▓▒▓█▓▓▓▒▓▓▓▓▓▓▓▓▓█▒▒░

451All 451 codes →

#

smtp;451 Open relay not allowed - https://community.mimecast.com/docs/DOC-1369#451 [#]

#

smtp;451 Internal resource temporarily unavailable - https://community.mimecast.com/docs/DOC-1369#451 [#]

#

smtp;451 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#451 [#]

↑ Back to top

550All 550 codes →

#

smtp;550 Administrative prohibition - envelope blocked - https://community.mimecast.com/docs/DOC-1369#550 [#]

#

smtp;550 Rejected by header based Anti-Spoofing policy: email@example.com - https://community.mimecast.com/docs/DOC-1369#550 [#]

#

smtp;550 Rejected by header based manually Blocked Senders: email@example.com - https://community.mimecast.com/docs/DOC-1369#550 [#]

#

smtp;550 Envelope blocked - User Entry - https://community.mimecast.com/docs/DOC-1369#550 [#]

↑ Back to top

554All 554 codes →

#

smtp;554 Email rejected due to security policies - https://community.mimecast.com/docs/DOC-1369#554 [#]

↑ Back to top

Other spam filter services