Bug in 'grey' handler

[LTUser]

TITLE:

Bug in 'grey' handler​

PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE:

Plesk Onyx 17.5.3 / patchlevel 35 / Ubuntu 16.04.3 LTS -AMD64​

PROBLEM DESCRIPTION:

On every outgoing Email with Greylistingfilter enabled:

This Error :

Dec 22 09:11:50 localname postfix/smtpd[3489]: connect from my.org[88.99.*.*]
Dec 22 09:11:50 localname postfix/smtpd[3489]: D9F0BE000D: client=my.org[88.99.*.*], sasl_method=LOGIN, sasl_username=info@my.org
Dec 22 09:11:50 localname greylisting filter[3494]: Starting greylisting filter...
Dec 22 09:11:50 localname/usr/lib/plesk-9.0/psa-pc-remote[7463]: _mh_fork(): unrecognized status code '5'
Dec 22 09:11:50 localname /usr/lib/plesk-9.0/psa-pc-remote[7463]: Error during 'grey' handler
Dec 22 09:11:50 localname postfix/cleanup[3493]: D9F0BE000D: message-id=<20171222081150.18d3a9503ff9@www.my.org>​

STEPS TO REPRODUCE:

Send Email?​

ACTUAL RESULT:

Dec 22 09:11:50 localname postfix/smtpd[3489]: connect from my.org[88.99.*.*]
Dec 22 09:11:50 localname postfix/smtpd[3489]: D9F0BE000D: client=my.org[88.99.*.*], sasl_method=LOGIN, sasl_username=info@my.org
Dec 22 09:11:50 localname greylisting filter[3494]: Starting greylisting filter...
Dec 22 09:11:50 localname/usr/lib/plesk-9.0/psa-pc-remote[7463]: _mh_fork(): unrecognized status code '5'
Dec 22 09:11:50 localname /usr/lib/plesk-9.0/psa-pc-remote[7463]: Error during 'grey' handler
Dec 22 09:11:50 localname postfix/cleanup[3493]: D9F0BE000D: message-id=<20171222081150.18d3a9503ff9@www.my.org>​

EXPECTED RESULT:

without the error. "_mh_fork(): unrecognized status code '5'"​

ANY ADDITIONAL INFORMATION:

​

YOUR EXPECTATIONS FROM PLESK SERVICE TEAM:

Help with sorting out​

 

[AYamshanov]

Hello LTUser,

Look like Greylisting check fails when sending outgoing messages/receiving messages from local mailboxes: _mh_fork(): unrecognized status code '5' . Bug ID is PPPM-7631