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lost while reading message data

 Hello,

I having some, where 3 out of 4 received the email but 4th one has't received the emai. when i checked the UTM logs even the SMTP proxy live logs I can see the 4th user error saying" lost while reading message data" and then Syscall broken pipe SSL write error 5

 

It is keep happening and 4 user is not getting email from same client & it is only happening with one client. Current send domain is skipping the Anti-spam check.

I have searched alot about this but no luck.

any help would be much appreciated

Below are the logs

 

2019:10:22-15:22:02 bneutm01 exim-in[5388]: 2019-10-22 15:22:02 SMTP connection from :43559 (TCP/IP connection count = 3)
2019:10:22-15:22:02 bneutm01 exim-in[15290]: 2019-10-22 15:22:02 H=hsrelay01-hz4.antispameurope.com :43559 Warning: Exception matched: Skipping antispam for this message
2019:10:22-15:22:02 bneutm01 exim-in[15290]: 2019-10-22 15:22:02 H=hsrelay01-hz4.antispameurope.com :43559 Warning: <domain> profile excludes SANDBOX scan
2019:10:22-15:22:02 bneutm01 exim-in[15290]: 2019-10-22 15:22:02  F=<sender email> R=<user email> Verifying recipient address with callout
2019:10:22-15:22:02 bneutm01 exim-in[15290]: 2019-10-22 15:22:02 SMTP connection from hsrelay01-hz4.antispameurope.com :43559 lost while reading message data
2019:10:22-15:22:02 bneutm01 exim-in[15290]: 2019-10-22 15:22:02 SSL_write: (from hsrelay01-hz4.antispameurope.com [52.62.123.207]:43559) syscall: Broken pipe
2019:10:22-15:22:02 bneutm01 exim-in[15290]: 2019-10-22 15:22:02 SSL_write error 5
 
2019:10:22-15:22:03 bneutm01 exim-in[5388]: 2019-10-22 15:22:03 SMTP connection from []:36582 (TCP/IP connection count = 3)
2019:10:22-15:22:03 bneutm01 exim-in[15292]: 2019-10-22 15:22:03 H=hsrelay01-hz4.antispameurope.com []:36582 Warning: Exception matched: Skipping antispam for this message
2019:10:22-15:22:03 bneutm01 exim-in[15292]: 2019-10-22 15:22:03 H=hsrelay01-hz4.antispameurope.com []:36582 Warning: <domain> profile excludes SANDBOX scan
2019:10:22-15:22:03 bneutm01 exim-in[15292]: 2019-10-22 15:22:03 [] F=<sender email> R=<user email> Verifying recipient address with callout
2019:10:22-15:22:19 bneutm01 exim-in[5388]: 2019-10-22 15:22:19 SMTP connection from []:15230 (TCP/IP connection count = 4)


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  • Hi Pawandeep and welcome to the UTM Community!

    Several questions:

    1. What version of UTM - 9.605?
    2. What 'TLS Version' do you have selected on the 'Advanced' tab of 'SMTP'?
    3. Where are the four users - is the fourth in a different location?

    Cheers - Bob

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

     

    1. Current version is 9.601-5
    2. I have TSL v1 or higher
    3. All four users are at same location, sitting next to each other.
  • I've not seen this before.  You might try Up2Dating to 9.605, but I don't think that will change anything.

    My gut feeling is that this is a problem with your mail server, not the UTM.

    Cheers - Bob

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