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Former Member
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Message 1 of 4

Why does JMeter SMTP Sampler take significantly longer to send an email?

I’m testing an app on a closed network. Mcafee HIPS and endpoint protection is enabled. We can send emails to our SMTP relay successfully, using either Powershell's send-mail message or our MSTest .NET C# based automated tests, at an approx rate of one email per second. However, when using JMeter’s SMTP Sampler, I’m seeing an average of 36 seconds per email to the very same SMTP relay from the same originating client pc.

One thought I had was that maybe there is a ton of overhead in establishing/disconnecting of a connection for each iteration in a loop but that doesn’t seem to affect PowerShell and JMeter SMTP Sampler has acceptable rates when ran outside this network pointed toward Gmail.

Maybe Mcafee treats Java mail x (JMeter’s underlying library) SMTP packets differently than when they come from .net or Powershell?

mygreatlakes

3 Replies
yaz
McAfee Employee
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Re: Why does JMeter SMTP Sampler take significantly longer to send an email?

Hi @Former Member 

Thank you for reaching out to McAfee Community.

It looks like there seems to be some traffic block that needs deeper investigation.

Can you kindly open an SR and reach out to us so that we can check for the issue in detail?

 

Was my reply helpful?

If yes, provide me with Kudo. If I have answered your query, kindly accept this as solution so that together we help other community members. 

skydev
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Re: Why does JMeter SMTP Sampler take significantly longer to send an email?

One thought I had was that maybe there is a ton of overhead in establishing/disconnection of a connection for each iteration in a loop but that doesn’t seem to affect powershell and JMeter SMTP Sampler has acceptable rates when ran outside this network pointed toward gmail. Crediblebh

Re: Why does JMeter SMTP Sampler take significantly longer to send an email?

Not much help to you at the moment but I can attest that Articulate are working on this.

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