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Sophos XG Blocking Non Secure POP And IMAP Mails

jack admin

Hello All,

I am new to Sophos, last Saturday we set up Sophos XG firewall in our network for testing. We have Hamil Non-secure  (No TLS/SSL) as a mail server.

After installing the server in our network I am not able to send emails or Send/Receive mail in my out look,

 

I am getting an error in my outlook and Thunderbird mail client.

" Authentication is not supported by the server "

 

Please suggest me what should I do to fix this error.

 

Thanks :)



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  • 0 in reply to lferrara

    We've got XG200. No mail rules have been applied. And in Firewall rule we have already added Service Group with required services.

     

    Still we are getting a problem in recieving mails, Few of my users are not able to receive mails above 100KB. The moment We disconnect the users from network and connect them with Mobile hotspot / Internet Dongles, the mails are received without problem. had logged call with Sophos technical support, but got no resolution. One more point, If the users access their mail from web-mail portal and download the attachment, the downloads are swift.

     Any help would be much appreciated, user in here receive mails with attachments of 1 MB or above (Generally Excel / PDF documents). Which are not blocked in any web / application policy / Firewall rule.

     

    Thanks

    Ajay

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