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Job Queue Error "The SMTP mail system returned the following error: ""The operation has timed out.""

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Posted on by ManishS

I have a codeunit with sends email to my customer for their due balance.

I have customized a report which i use to send as PDF.

There are 100 or more customers who have due balance.

I get a error message in job queue log entry "The SMTP mail system returned the following error: ""The operation has timed out.""." after some email are send via job queue.

I have created a separate service as NASServices and configured it with startup codeunit 450 & specific company name.

I also have a separate production service for my users who use dynamics nav regularly and in that service i have set up idletime out as 20 Minutes.

I am unable to understand the issue.

We are using Dynamics NAV 2013 R2, build 36310

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RE: Job Queue Error "The SMTP mail system returned the following error: ""The operation has timed out.""

Hi Manish,

Somehow, I always prefer to send such kind of bulk automated mails via Outlook and not via SMTP.

I always found sending mail via Outlook more simpler, accurate and we can easily track the results.

Regarding SMTP, you may check with SMTP service provider and explain him such bulk mail sending scenario via NAV. They might have some settings to block the bulk mails at times.

Hope this helps.

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Suresh Kulla 50,237 Super User 2025 Season 2 on at

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RE: Job Queue Error "The SMTP mail system returned the following error: ""The operation has timed out.""

Please check SMTP server settings or the email provider we had this issue at one of our client and it is because the server was setup to send few emails in certain period of time for security reasons. We ended up creating another server externally and use it.

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RockwithNav 8,419 Super User 2025 Season 2 on at

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RE: Job Queue Error "The SMTP mail system returned the following error: ""The operation has timed out.""

Hey Manish,

The Issue is related with the Firewalls and the Ports. Make sure that your Firewall is not blocking it or else pass your port number to get it free from the Firewalls. You should coordinate once with your tech support team.

Thanks

rockwithnav.wordpress.com

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ManishS 86 on at

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RE: Job Queue Error "The SMTP mail system returned the following error: ""The operation has timed out.""

Thanks guys for your response.

I have asked the client to check with their service provider for bulk emailing.

Will come back once i have the update.

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