I use a third party SMTP service to send mail but Mail Enable rejects incoming messages with error
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551 This mail server requires authentication before sending mail from a locally hosted domain.
The third party service has over 4, 000 IPs which is impracticable to add individually in MailEnable Admin > Services & Connectors > SMTP Properties: Relay - Allow relay for privileged IP ranges.
Can I add the 4, 000 IPs directly to SMTP-ACCESS.TAB at
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C:\Program Files (x86)\Mail Enable\Config\SMTP-ACCESS.TAB
using the same tab separated format in that file?
eg.
If so are changes picked up immediately or does SMTP connector need restarted?
Any other considerations?
Thanks