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Transparent Mode on for port 465 and 587 - can't send

STMP/Advanced. Turned on 465 and 587 for Transparent mode. Sending failes - SMTP Log shows:

2019:05:22-16:09:20 astaro1-1 exim-in[32339]: 2019-05-22 16:09:20 SMTP connection from [64.145.65.7]:52789 (TCP/IP connection count = 1)
 
2019:05:22-16:09:22 astaro1-1 exim-in[32339]: 2019-05-22 16:09:22 SMTP connection from [192.168.1.9]:63135 (TCP/IP connection count = 2)
2019:05:22-16:09:32 astaro1-1 exim-out[20310]: 2019-05-22 16:09:32 1hTKRJ-0005As-Uz Completed
2019:05:22-16:09:40 astaro1-1 exim-in[20294]: 2019-05-22 16:09:40 SMTP protocol synchronization error (input sent without waiting for greeting): rejected connection from H=[64.145.65.7]:52789 input="\026\003\001"
2019:05:22-16:09:41 astaro1-1 exim-in[32339]: 2019-05-22 16:09:41 SMTP connection from [64.145.65.7]:52790 (TCP/IP connection count = 1)
 
Release 9.602-3
 
Any suggestions?
 
Or should I just leave the boxes unticked and be happy?
 
Thanks,
 
James.


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  • You don't want Transparent, James.  Turn that off and you'll be fine.  465 and 587 will work correctly then.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • You don't want Transparent, James.  Turn that off and you'll be fine.  465 and 587 will work correctly then.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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