Error Could Not Verify Recipient
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Server Error 451 Temporary Local Problem
PCI Compliance 14 Server Information 47 Software / Scripts 48 SSL Certificate 16 Web Hosting 186 Categories .htaccess (12) Affiliates (1) Backup (2) Billing (21) Cloud (9) Domain Names (19) Error Codes (2) PCI Compliance (14) Server Information (47) Software / Scripts (48) SSL Certificate (16) Web Hosting (186) Mail Error: 451 Could not 451 unable to verify user verify sender Problem: You recieve the error mesage "451 Could not complete sender verify callout". Reason: The 451 message can mean a number of different things, but when it comes to the mail and the call outs it relates to one of two things; 1) The sending server denied the requst to verify the senders address 2) The sending server had a problem and could not verify the account. SMTP Reply Code 451 actually states "Requested action aborted: local error in processing" What happens in the sender verify is the following; Our server receives an email from "you@address1.com". Our server then puts that message into a holding queue, and sends a VERIFY ACCOUNT message to the sender to make sure that the email address actually exists. If the address exists, then it delivers the message. If the address doesn't exist (or the server refuses to acknowledge the request) then our server flags the message as potential spam and refuses to deliver the message. The reason that our servers are setup with the "sender verify" option is because it
MailEnable Enterprise Edition 550 Recipient verification failed Post Reply Search Advanced search 4 posts • Page 1 of 1 Smurf Posts: 516 Joined: Thu Apr 22, 2004 6:42 pm 550 Recipient verification failed Quote Postby Smurf » server error 451 outbound mail refused Thu Nov 10, 2005 12:25 pm What does this error message mean? Is this
Error 451 Outlook
an error on our system of the senders server? '550 Recipient verification failed' This message was created automatically by mail delivery software. A
Temporarily Rejected Rcpt Could Not Complete Sender Verify
message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: xxx@xxxx.co.uk SMTP error from remote mailer after RCPT TO:
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