An error related to the pdm_mail_nxd process starts to be logged into the SDM standard logs frequently, affecting sslump_nxd.exe which sometimes consumes 100% memory. Recycling pdm_mail_nxd.exe solves the issue temporarily, but the behavior reoccurs.
Example of SDM log message:
pdm_mail_nxd ##### ERROR hunny_mail_intf.c #### ThrdLogger Sess:######:# SMTP RCPT command failed Error (401) Bad address syntax
CA Service Desk Manager 14.1
CA Service Desk Manager 17.x
This could be caused by a bad sender email address, which is reported by SMTP mail server as recipient failure - bad address syntax.
Review the SDM Email options located under Administration >> Options manager >> Email.
Check if there is any email address in the email options containing spaces, then remove the spaces and save the value again.
At "mail_from_address" value, change from:
Note: it is also possible that if you modify the value back by including the space in email address alias name, the error messages did not occur again.