Hello,
First post, and relatively new Proxmox (8.3.5) user. I've been trying to overcome a problem with email notifications and could use some advice.
I'm having a recurring issue with the SMTP-based notifications that were successfully set up in the GUI at DataCenter->Notifications. I did not set up a sendmail target, it has been disabled. I have an SMTP notification target set up, and test emails are successfully sent (and received at the other end). I have a default notification matcher correctly sending all events to the smtp notification target. The smtp target is an Internet-accessible hosted Exchange server.
I have backup tasks configured to send an email notification on completion. I occasionally see the following error in the system log when it attempts to send the emails. This appears to occur when more than one email goes out in succession. Recent example:
Jun 15 01:01:42 proxmox perl[3252909]: notified via target `<redacted>`
Jun 15 01:31:10 proxmox perl[3255630]: could not notify via target `<redacted>`: could not notify via endpoint(s): <redacted>: network error: Resource temporarily unavailable (os error 11)
Jun 15 01:31:47 proxmox perl[3258235]: could not notify via target `<redacted>`: could not notify via endpoint(s): <redacted>: network error: Resource temporarily unavailable (os error 11)
Each of these was a notification sent upon successful completion of a backup task (one for each VM). The first was successfully sent, the next two were not. I don't understand why this is occurring. From what I can tell, these messages do not end up in a queue for retry, so they're just lost if they don't send successfully the first time.
Thanks in advance for any guidance or advice you may offer.
First post, and relatively new Proxmox (8.3.5) user. I've been trying to overcome a problem with email notifications and could use some advice.
I'm having a recurring issue with the SMTP-based notifications that were successfully set up in the GUI at DataCenter->Notifications. I did not set up a sendmail target, it has been disabled. I have an SMTP notification target set up, and test emails are successfully sent (and received at the other end). I have a default notification matcher correctly sending all events to the smtp notification target. The smtp target is an Internet-accessible hosted Exchange server.
I have backup tasks configured to send an email notification on completion. I occasionally see the following error in the system log when it attempts to send the emails. This appears to occur when more than one email goes out in succession. Recent example:
Jun 15 01:01:42 proxmox perl[3252909]: notified via target `<redacted>`
Jun 15 01:31:10 proxmox perl[3255630]: could not notify via target `<redacted>`: could not notify via endpoint(s): <redacted>: network error: Resource temporarily unavailable (os error 11)
Jun 15 01:31:47 proxmox perl[3258235]: could not notify via target `<redacted>`: could not notify via endpoint(s): <redacted>: network error: Resource temporarily unavailable (os error 11)
Each of these was a notification sent upon successful completion of a backup task (one for each VM). The first was successfully sent, the next two were not. I don't understand why this is occurring. From what I can tell, these messages do not end up in a queue for retry, so they're just lost if they don't send successfully the first time.
Thanks in advance for any guidance or advice you may offer.