SMTP Error 0x800CCC60

Last modified: April 13, 2020
You are here:
Estimated reading time: < 1 min


The SMTP server returned an error –>

Account: ‘accountname’,

Server: ‘’,

Protocol: SMTP,

Server Response: ‘rblsmtpd: pid 11559: 451 Blocklist Removal Center‘,

Port: 25, Secure(SSL): No,

Error Number: 0x800CCC60

Root Cause:

Your server is as of now under ‘OPEN RELAY’. This implies your server being utilized by spammers to convey spam messages.

Was this article helpful?
Dislike 0
Views: 25
Customer Services Contact

Need Help? Send a Ticket to our 24X7 Technical Support Team

Subscribe Newsletter

Subscribe to Casbay Newsletter for online tips, events and latest promotion !

Copyright © 2010 – 2021 Casbay Sdn. Bhd. (1042688-D). All Rights Reserved.

All Trademarks Are The Property of Their Respective Owner.