Mail server not working with Postfix Dovecot

Mariano Jara Melagrani mjaramelagrani at
Mon Dec 7 15:11:05 UTC 2015

On 07/12/15 07:29, iceblink wrote:
> On 2015-12-07 08:42, Petter Adsen wrote:
>> Where is this machine - is it in your home or hosted somewhere? If in
>> your home, that is not ideal. Many (most?) ISPs block common ports for
>> incoming SMTP traffic for home customers, and a lot of mail servers out
>> there will not accept mail from a ISP home consumer IP range. You
>> *will* have problems getting your mail delivered. I suspect this is
>> what you are doing, and that is part of why you are having problems.
> This is probably different for each country. Here in the Netherlands
> most ISP's will not block any port (at least not until they find that
> your PC is sending spam or has an open relay mail server). The biggest
> challenge in my country is getting a fixed IP address, or failing that:
> keeping your DNS up to date with the changing IP addresses.
> Best regards,
> Patrick
I don't know yet if my ISP is blocking any ports. I've received a few
hours ago a very general and ambiguous response, so I will have to call
them to speak with technical staff.

As for the dynamic public IP address, I solve that bit with the free
service provided by plus a cron job for
updating the public IP address every certain amount of time that you can
define. There also are clients to do that, like Inadyn.

Mariano Jara Melagrani

0x80319128 GnuPG v1.4 (GNU/Linux)

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