while sending the mail why security authenticate set to false is it is port no 25

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while sending the mail why security authenticate set to false is it is port no 25.

Posted 16-Dec-14 6:21am

Rahul Kumar kcnit

Updated 16-Dec-14 6:43am

ZurdoDev

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ZurdoDev 16-Dec-14 12:43pm

What?

Rahul Kumar kcnit 16-Dec-14 12:48pm

This question is asked from me in interview that

while sending the mail why security authenticate set to false if it is port no 25.

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Kornfeld Eliyahu Peter · Accepted Answer · 2014-12-16T06:50:00

Solution 1

The default (registered) port for SMTP is 25. The same for secured communication is either 25, 465 or 587 (but there is no standard here).
When you set your SMTP to 'no-security' it resets the port to the default 25...

Posted 16-Dec-14 6:50am

Kornfeld Eliyahu Peter