Help, can't set up email

[slant4]

My brother account works fine but another one for my car club doesn't.. Help newbielink:http://cloud.tapatalk.com/s/5840206b40d82/Screenshot_20161130-203612.png? [nonactive]


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[slant4]

Not sure if any of this works 😢

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[StR]

The error in that screenshot https://cloud.tapatalk.com/s/5840206b40d82/Screenshot_20161130-203612.png tells that the SMTP server that you are using is refusing connection from you.
Typically, that can mean a few things:
1. You (Aquamail, according to the way you set the SMTP server in it) did not authenticate correctly (or didn't authenticate at all) with the SMTP server.
2. Your mail provider is not accepting mail for clients from a specific IP address/ network (some sort of "black list").

It is hard to advise you on #1 unless you post your settings for the servers (and who your mail provider is).

For #2, - as far as I can tell, you are connecting from the mobile network. Can you try, say, when you are connected to a different network, e.g. via Wi-Fi?

[Kostya Vasilyev]

Could also have to do with a particular recipient, and the SMTP server trying to look up its MX record -- all during Aqua Mail's trying to submit the message.

[StR]

Could also have to do with a particular recipient, and the SMTP server trying to look up its MX record -- all during Aqua Mail's trying to submit the message.

It could've been, but I don't think it is the case here. I checked the MX records for the destination address. They have nothing to do with the IP in the error message:

Code: [Select]

>nslookup -query=mx aig.com ns1.aig.com
Server:         ns1.aig.com
Address:        167.247.15.89#53

aig.com mail exchanger = 5 fmx31.aig.com.
aig.com mail exchanger = 5 fmx34.aig.com.
aig.com mail exchanger = 5 fmx36.aig.com.
aig.com mail exchanger = 5 lmx31.aig.com.
aig.com mail exchanger = 5 fmx35.aig.com.
aig.com mail exchanger = 5 lmx35.aig.com.
aig.com mail exchanger = 5 lmx36.aig.com.
aig.com mail exchanger = 5 lmx34.aig.com.
aig.com mail exchanger = 5 fmx33.aig.com.
aig.com mail exchanger = 5 lmx32.aig.com.
aig.com mail exchanger = 5 lmx33.aig.com.
aig.com mail exchanger = 5 fmx32.aig.com.

All those mx hosts are in 167.247 and 167.230 subnets.

Whois for the IP in the error messages shows:

Code: [Select]

% Information related to '178.96.0.0/12AS29328'
route:          178.96.0.0/12
descr:          T-Mobile UK
I suspect, this is the device's IP. That's why I concluded the attempt of connection was from a mobile network.

Actually, - I suspect the SMTP server might be unhappy because the sender's IP does not have a valid reverse DNS record (PTR). Moreover, the  DNS servers for that network are configured to deny responses for any 102.178.in-addr.arpa (or 96.178.in-addr.arpa). That's a weird decision for that ISP.

[Kostya Vasilyev]

Yes, this could be -- the block belongs to T-Mobile.

If this address isn't NAT-ed, then that address is going to be used by Aqua Mail in the SMTP EHLO.

And then if the SMTP server tries to do a reverse lookup, and it fails... this is what we're seeing I think.