Demis, after reading your suggestion I solved my problems.
I chose:
mail.gmx.com and 587 Port. Now everything is OK.
I thank you a lot.
>On Wed, 18 Sep 2019 22:24:29 +0200,
ijo...@jejejeje.it declaimed the
>following:
>
>>Hey, have just created a new account with "
gmx.com". It is able to
>>check the emails but it is not able to send emails.
>>I configured it in this way:
>>SMTP SERVER:
smtp.gmx.com
>>POP:
pop.gmx.com
>
> Again you do not provide enough information... You named the servers,
>but NOT the connection style...
>
>
>>When I try to send an email I get this error:
>>ERROR Talking to SMTP Server (554
smtp205.alice.it Service not
>>available).
>
> This is not the same server you stated to have set up...
>
>C:\Users\Wulfraed>ping
smtp.gmx.com
>
>Pinging
smtp.gmx.com [212.227.17.174] with 32 bytes of data:
>Reply from
212.227.17.174: bytes=32 time=151ms TTL=240
>Reply from
212.227.17.174: bytes=32 time=143ms TTL=240
>Reply from
212.227.17.174: bytes=32 time=151ms TTL=240
>Reply from
212.227.17.174: bytes=32 time=147ms TTL=240
>
>Ping statistics for
212.227.17.174:
> Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
>Approximate round trip times in milli-seconds:
> Minimum = 143ms, Maximum = 151ms, Average = 148ms
>
>C:\Users\Wulfraed>ping
smtp205.alice.it
>
>Pinging
smtp205.alice.it [82.57.200.101] with 32 bytes of data:
>Request timed out.
>Request timed out.
>Request timed out.
>Request timed out.
>
>Ping statistics for
82.57.200.101:
> Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
>
>C:\Users\Wulfraed>
>
>>Why do I have this problem?
>
>
https://support.gmx.com/pop-imap/imap/windowsmailapp.html
>"""
>Outgoing (SMTP) server:
mail.gmx.com
>Port (outgoing server): 587
>Outgoing Server requires SSL: No (uncheck)
>"""
>
> So... two things... You have the "wrong" name for the SMTP server, and
>you need to use the 587 "submission" port. (I put "wrong" in quotes as it
>turns out
smtp.gmx.com:587 will connect). Using port 25 will not connect.
>
>
> I have a strong suspicion that, by this time, you have multiple
>personalities all misconfigured, since you got an error message from
>"
alice.it" -- so far, you've had FOUR different ISP/email providers in your
>posts:
>
>
gmx.com
>
katamail.com
>
alice.it
>
tin.it
>
>C:\Users\Wulfraed>nslookup
mail.gmx.com
>Server:
dsldevice6.attlocal.net
>Address: 2600:1700:e630:890::1
>
>Non-authoritative answer:
>Name:
mail.gmx.com
>Addresses: 212.227.17.184
> 212.227.17.174
>
>
>C:\Users\Wulfraed>nslookup
smtp.gmx.com
>Server:
dsldevice6.attlocal.net
>Address: 2600:1700:e630:890::1
>
>Non-authoritative answer:
>Name:
smtp.gmx.com
>Addresses: 212.227.17.174
> 212.227.17.184
>
>
>C:\Users\Wulfraed>nslookup
pop.gmx.com
>Server:
dsldevice6.attlocal.net
>Address: 2600:1700:e630:890::1
>
>Non-authoritative answer:
>Name:
pop.gmx.com
>Addresses: 212.227.17.187
> 212.227.17.171
>
>
>C:\Users\Wulfraed>nslookup
smtp205.alice.it
>Server:
dsldevice6.attlocal.net
>Address: 2600:1700:e630:890::1
>
>Non-authoritative answer:
>Name:
smtp205.alice.it
>Address: 82.57.200.101
>
>
>C:\Users\Wulfraed>nslookup
mail.tin.it
>Server:
dsldevice6.attlocal.net
>Address: 2600:1700:e630:890::1
>
>Non-authoritative answer:
>Name:
mail.tin.it
>Address: 62.211.72.20
>
>
>C:\Users\Wulfraed>nslookup
smtp.katamail.com
>Server:
dsldevice6.attlocal.net
>Address: 2600:1700:e630:890::1
>
>Non-authoritative answer:
>Name:
smtp.katamail.com
>Address: 213.205.35.70
>
>
>
smtp.katamail.com
> uses port 465, won't connect on 25 or 587. On Eudora, that means
>"Required, Alternate Port" is the only choice. If katamail doesn't like
>SSL, you are probably out of luck.
>
>
mail.tin.it
> uses port 587 ("submission port"), I'd recomment "If Available,
>STARTTLS" (that way, if they support it, you get encrypted traffic rather
>than clear text)
>
>
mail.gmx.com /
smtp.gmx.com
> uses port 587 -- again I recommend also "If Available, STARTTLS"
>
>
smtp205.alice.it
> DOES NOT CONNECT ON any PORT (SMTP 25, deprecated ALTERNATE 465,
>SUBMISSION 587)