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SMTP Error 420

Category: Other
Tags: # # #

Description: Timeout connection problem. What does this mean? This error has been provided by a GroupWise server, only the server administrators of the receiving mail server will be able to confirm the actual issue present. However, this is typically as a result of being blocked by the recipient’s firewall/filter or the server is experience a […]

SMTP Error 421

Category: Other
Tags: # # #

Description: Service not available, closing transmission channel. What does this mean? This is an unfortunately, open ended error. Most commonly this is in relation to the destination server not being “reachable”, however it may also mean that your sending mail server is not “reachable”. The latter of the two options is less common, unless a […]

SMTP Response 252

Category: Other
Tags: # # #

Description: Can not verify user; accepting message for attempt. What does this mean? The message was received properly, and there is some positive record of the email address existing. However, it’s most likely not on the delivered mail server and being held until verification is possible. 95% of the time, this message will be delivered […]

SMTP Response 251

Category: Other
Tags: # # #

Description: User not local; will forward to <REMOTE PATH> What does this mean? This is a good response. It means the mail server accepted your message, however the email account specified does not actually reside on that server. Thus, it is forwarding it to the correct server. An example of this would be using cPanel’s […]

How to create custom error pages in cPanel?

Category: cPanel
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cPanel has its default error pages. Having custom error pages will impact the user experience as well. Every corporate website is likely to have its custom error page setup to enhance custom user experience. Example: The visitor will land on cPanel’s default 404 error page if your visitor hits the not found URL. In this […]