Announcement - False positives email alert from Proofpoint

Dear valued client,

Warmest greetings from Exabytes!

Announcement detail:

Please be informed that for shared hosting servers, we are using our configured outgoing Smarthost SMTP IP that belongs to the Exabytes IP range.

We receive false positive alerts on our outgoing Smarthost IP even they are clean when we perform IP lookups.


Sample return message


The address to which the message has not yet been delivered is:
host []
Delay reason: SMTP error from remote mail server after initial connection:
   421 Deferred - see 

We take necessary measures to prevent our IPs from being identified as a spam source and communicate with them.


Receipient's may help to report false positive message by referring the following guidance from Proofpoint.


Thank you very much for your attention!

Have a nice day.

Support Team


Technical Support Department