by Reeshma Mathews | Feb 21, 2017 | cPanel
SMTP error from remote mail server after RCPT TO:<user2@domain2.com>: host mx.server.com [xxx.xxx.xxx.xxx]: 550-Verification failed for <user1@domain1.com> 550-No Such User Here 550 Sender verify failed Bobcares provides website management services to...
by Reeshma Mathews | Feb 20, 2017 | cPanel, FTP
In our role as Website Support engineers for online businesses, managing FTP servers and resolving the related errors, is a task we usually perform. “530 Login authentication failed” is a common error reported by users in cPanel Pure-ftpd servers. This...
by Reeshma Mathews | Feb 17, 2017 | cPanel
Web hosts can never shun server security! Majority of them have setup firewalls such as CSF/LFD to protect their cPanel servers by blocking IP addresses of attackers or malicious users. But we’ve seen many cases where these firewall settings are not proper,...
by Reeshma Mathews | Feb 16, 2017 | cPanel
Outgoing spam is a major head ache for many web hosts. Spammers use compromised websites or mail accounts to send thousands of spam mail within a few mins. By the time the web host comes to know about it, the server IP would be blacklisted (eg. SpamHaus SBL), and...
by Reeshma Mathews | Feb 9, 2017 | Server Management
454 4.7.1 <user@domain.com>: Relay access denied This is a commonly seen email failure error by web hosts, website owners and server owners who run Postfix mail server. 454 error usually happens while sending to and receiving from external domains. In our role...
by Visakh S | Feb 8, 2017 | Plesk
Stuck with the “Fix 554 5.7.1 Relay Access Denied” error? In our role as Website Support Specialists for online businesses, we resolve hundreds of email issues every day. A commonly encountered email bounce error faced by web hosts, website owners and...
by Reeshma Mathews | Feb 8, 2017 | Technical Support
550-5.7.1 [203.**.**.**] Our system has detected an unusual rate of 550-5.7.1 unsolicited mail originating from your IP address. To protect our 550-5.7.1 users from spam, mail sent from your IP address has been blocked. Many often, you’d have had your customers...
by Reeshma Mathews | Feb 7, 2017 | Server Management, Technical Support
554 5.7.1 Service unavailable; Client host [154.0.***.**] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBL289647 SMTP error from remote mail server after pipelined DATA: 550-197.242.**.*** listed at zen.spamhaus.org You’d seen these error...
by Reeshma Mathews | Feb 6, 2017 | Server Administration, Technical Support
Many websites run database-driven applications, and a single missing entry in these tables can lead to website downtime. Database corruption is an alarming scenario for webhosts, who end up spending time and effort repairing and restoring their customer databases. At...
by Visakh S | Feb 4, 2017 | Technical Support
554 5.7.1 Service unavailable; Client host [203.0.113.XXX] blocked using zen.spamhaus.org; https://www.spamhaus.org/pbl/query/PBL289647 554 mysev mysmtp 203.0.113.XXX is on the Spamhaus PBL Please visit: http://www.spamhaus.org/query/bl?ip=203.0.113.XXX If...
