[CentOS] sendmail sending out on port 587

Kahlil Hodgson kahlil.hodgson at dealmax.com.au
Sun Mar 21 23:25:31 UTC 2010

On 22/03/10 10:01, Gregory P. Ennis wrote:
> I had been doing what you suggested above.  This resulted in being able
> to read all e-mail, but I could not send any e-mail in that port 25 was
> being blocked by the hotel.

I use thunderbird and have configured it to use multiple outgoing SMTP
servers for various circumstances.  There is an option in the outgoing
SMTP server settings to specify the port that it uses.

Another option which is simpler than sendmail (and even postfix) is to
use a simple SMTP relay like ssmtp (get off centos repos).  This has a
very simple configuration file and even an example of what you want to
do.  This way you dont have to change your favourite email client :-)

Hope this helps!

Kahlil (Kal) Hodgson                       GPG: C37B01F4
Head of Technology                         (m) +61 (0) 4 2573 0382
DealMax Pty Ltd                            (w) +61 (0) 3 9008 5281

Suite 1005
401 Docklands Drive
Docklands VIC 3008 Australia

"All parts should go together without forcing.  You must remember that
the parts you are reassembling were disassembled by you.  Therefore,
if you can't get them together again, there must be a reason.  By all
means, do not use a hammer."  -- IBM maintenance manual, 1925

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