Commits on Jul 2, 2024

1. Add support for configurable dequeue size …

   When sending messages to remote MTAs, the messages get dequeued in batches
   from the local queue. As the batch-key is the given remote MX server, those
   messages will be delivered to this remote MTA in one SMTP session.
   Although this is good for performance (to reuse the same SMTP session for
   many mails), many of the real-world MTAs do not like sending too much mails
   at once in one single session.
   
   Example error messages are similar to "421 too many messages in this connection"
   
   Therefore, we make the limit adjustable (with the default value of 100 to be
   backwards compatible). From our experiences with the last 5 million emails
   sent, having a batch size of 10 works almost ever, and 50 seems to be the upper
   "real world" limit before hitting those rate limits by the remote MTAs.

   

   schueffi committed Jul 2, 2024
   Configuration menu

   • View commit details
   • Copy full SHA for 0235752
   • Browse repository at this point

   Copy the full SHA

   0235752 View commit details

   Browse the repository at this point in the history