When you receive this error, it means that the IP address you’re attempting to send email from has been blocked by Spamhaus. In addition to the anti-virus and anti-spam software, we are relying on services provided by reputable organizations who maintain various RBLs to help stop spam e-mail from entering our systems. Generally RBLs are […]
Category: Troubleshooting
Why do I get a “555 syntax error (#5.5.4)” error when sending mail?
This document is intended for those operating their own mail servers or smarthosts and/or systems or software that send mail through automated or scripted means. Examples of this would be an office PBX system sending voice mails to its users via email or a crontab on a remote server sending a report to an email […]
Why are my email attachments renamed to .DAT or .BIN?
Some e-mail clients (also known as e-mail MUA) adhere to the new standard RFC2231 for attachment filename handling. Superb’s webmail, Thunderbird 1.5, and some newer e-mail clients adhere to these new standards. The new standard requires that any spaces and special characters in the attachment filenames are converted to their MIME equivalent. For example, a […]
My quota usage is not correct. How can I fix this?
E-mail Quotas are not continuously updated; they are automatically re-calculated once daily (usually at night). If you need your quota re-calculated sooner (for example, you were near or over your quota, and you just deleted a bunch of e-mail), you can force an immediate quota re-calculation by following these steps: Visit myCP Click on “Email […]