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ERROR Msg :: Log onto incoming mail server (IMAP): The host '' cannot be found. Verify that the server name is typed correctly.

I would like to know format of combine the proxy authentication credentials with the IMAP server credentials We are using IWSVA 5.0 as proxy server

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Please check that your proxy server is not blocking Gmail IMAP ports or address? or has proper port mapping for below ports. Gmail use these port for accessing via e-mail clients:

IMAP : 993
POP3 : 995
SMTP : 587 or 465
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