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Asked: 2026-06-04T16:32:17+00:00

I’m building an internal web-application in PHP that needs the ability to mail. I’ve

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I’m building an internal web-application in PHP that needs the ability to mail.
I’ve used the code listed here:

Send email using the GMail SMTP server from a PHP page

and it works like a charm, when I run it from my house.
However, when I run the code from the office, I get the following:

Failed to connect to ssl://smtp.gmail.com:465 [SMTP: Failed to connect socket: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. (code: -1, response: )]

Any idea how to get around this?
Thanks,
-JWW

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1 Answer

  1. Editorial Team

    I agree with the responder above – this is most likely a firewall blocking outbound connections on port 465. You can either try TLS connection on port 587 or port 25 per Gmail’s troubleshooting docs : http://support.google.com/mail/bin/answer.py?hl=en&answer=78775

    If you are unable to get around this (if IT will not remove the blocks for example), you could try a third party API as a proxy. Our product http://PostageApp.com can use external mailservers such as Gmail, in addition to our own MTA, and communication is all through standard http REST calls, avoiding the firewall issue.

    We’re a paid service but have a free plan as well…if you would be sending more email than our free plan allows for (100/day), then you’ll probably fall foul of Gmail’s sending limits anyway which restrict third party clients to about 100/day outbound.

    http://help.postageapp.com/kb/quick-start-guides/php

    Disclaimer: I work for PostageApp

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