CiviCRM Community Forums (archive)

We have  a Civi 3.4.5 / Joomla 1.522 that is experiencing an issue with mass mailing we have not seen before.

We have batch mailer limit =1000 and mailer job size =1000, mailer cron limit set to zero.

We have SMTP set as the mailer it is sending to sendmail at local host.

We just sent a 28K email and all the jobs completed.  About 15 of the jobs had no bounces and the 10 had large number of bounces.  The thing is that all of the bounces were consecutive so if email number 345 failed then the next 655 emails all were reported as failed -- after the the first bounce all were reported as bounced.  Also none of these emails are in the sendmail log -- which leads us to believe that non of these emails made it to sendmail or sendmail crashes while processing.

Has anyone seen this?  Any thoughts one where we could look.  Wonder if there is some mis match? 

Hi Lobo,

Is there an jira issue for this? I'd like to try backporting the code to 3.4.

I can see that connections might be an issue with remote smtp relay, but were using local sendmail, so we'll look into that further.

Did anyone try the approach of re-opening the connection rather than aborting the job?

Thanks