Does Exstream support Office 365 mail?

damithj · 2024-05-22T03:12:58+00:00

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Hi Team,

Just wondering does Exstream support new mail security protocols like STARTTLS/SSL/TLS1.2 etc? Because currently, we are on Streamserve 5.6.2 which has big limitation in configuring office 365 mail as SMTP

Thank you

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stig_2018

Hi.

Streamserve 5.6.2 doesn't support this, but you can use Microsoft IIS (version 6) as a SMTP-relay, or upgrade to latest Exstream version 23.3.

//Stig ;-)

damithj

Hi Stig,

Thank you for the reply, is there any resource leading to the configuration of O365?

stig_2018

How to Setup SMTP Relay in Office 365 — LazyAdmin.pdf

Maybe this can help you… :-)

damithj

Thank you so much Stig,

Highly appreciate the support 🤜🤛

Marius 3B

Hi everyone,

I'm currently configuring OpenText Exstream to send emails via Office365 SMTP. Here's my setup:

SMTP server: smtp.office365.com
Port: 587
Authentication: Username and password provided in the TCP configuration
Security: TLS 1.2
Authentication type: Anonymous
Certificate: None specified

When I test the connection, I get the following error:

SMTP server: error:1408F10B:SSL routines:ssl3_get_record:wrong version number

From what I understand, this might be related to how TLS is being negotiated. Since port 587 expects a plain connection followed by a STARTTLS command, could it be that Exstream is trying to initiate TLS immediately instead?

Also, is it correct to use "Anonymous" authentication when credentials are provided?

Has anyone successfully configured OpenText Exstream with Office365 SMTP? Any advice or working configuration examples would be greatly appreciated.

Thanks in advance!