Outlook autodiscover and STARTTLS

Admin Beckspaced admin at beckspaced.com
Thu Oct 21 08:44:41 CEST 2021


Hello again :)

just a quick question about Outlook autodiscover and STARTTLS

I've setup the following servers in the db:

4006    10    mail.beckspaced.com    587    smtp    STARTTLS 
%EMAILADDRESS%    password-cleartext
4007    20    mail.beckspaced.com    110    pop    STARTTLS 
%EMAILADDRESS%    password-cleartext
4008    30    mail.beckspaced.com    143    imap    STARTTLS 
%EMAILADDRESS%    password-cleartext
4009    60    mail.beckspaced.com    993    imap    SSL 
%EMAILADDRESS%    plain
4010    50    mail.beckspaced.com    995    pop    SSL %EMAILADDRESS%    
plain
4011    40    mail.beckspaced.com    465    smtp    SSL 
%EMAILADDRESS%    plain

If I query autoconfig for thunderbird & else all is fine.

https://autoconfig.beckspaced.com/mail/config-v1.1.xml?emailaddress=automx2@beckspaced.com

It says to use STARTTLS on the non-encrypted port 110 / 143

If I query autodiscover for Outlook it does not show STARTTLS. Instead 
it shows <SSL>off</SSL>

Should I worry about SSL OFF on the non-encrypted ports?

Is there an option for STARTTLS for Outlook?

Or should I just change the priorities and first offer ports 993 | 995 | 
465 for SSL?

What would the best approach be for Outlook?

Below is the autodiscover xml

Thanks & greetings
Becki

<?xml version="1.0" encoding="UTF-8"?>
<Autodiscover 
xmlns="http://schemas.microsoft.com/exchange/autodiscover/responseschema/2006">
    <Response 
xmlns="http://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a">
       <Account>
          <AccountType>email</AccountType>
          <Action>settings</Action>
          <Protocol>
             <Type>SMTP</Type>
             <Server>mail.beckspaced.com</Server>
             <Port>587</Port>
<LoginName>automx2 at beckspaced.com</LoginName>
             <SSL>off</SSL>
          </Protocol>
          <Protocol>
             <Type>POP3</Type>
             <Server>mail.beckspaced.com</Server>
             <Port>110</Port>
<LoginName>automx2 at beckspaced.com</LoginName>
             <SSL>off</SSL>
          </Protocol>
          <Protocol>
             <Type>IMAP</Type>
             <Server>mail.beckspaced.com</Server>
             <Port>143</Port>
<LoginName>automx2 at beckspaced.com</LoginName>
             <SSL>off</SSL>
          </Protocol>
          <Protocol>
             <Type>SMTP</Type>
             <Server>mail.beckspaced.com</Server>
             <Port>465</Port>
<LoginName>automx2 at beckspaced.com</LoginName>
             <SSL>on</SSL>
          </Protocol>
          <Protocol>
             <Type>POP3</Type>
             <Server>mail.beckspaced.com</Server>
             <Port>995</Port>
<LoginName>automx2 at beckspaced.com</LoginName>
             <SSL>on</SSL>
          </Protocol>
          <Protocol>
             <Type>IMAP</Type>
             <Server>mail.beckspaced.com</Server>
             <Port>993</Port>
<LoginName>automx2 at beckspaced.com</LoginName>
             <SSL>on</SSL>
          </Protocol>
       </Account>
    </Response>
</Autodiscover>





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