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Pete246
Joined: 05 Feb 2008
Posts: 4
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 Posted: Thu Feb 07, 2008 9:59 am Post subject: 550 Dial-Up IP address rejected |
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I found a problem with eMail Verifier.
It seems to contact the remote SMTP server from the local dial up IP of my Mac and meanwhile a lot of SMTP servers refuse to accept messages from dial-up IP addresses to prevent SPAM.
It would be nice, if I could route the process through my mail server, probably by having eMail Verifier communicate with a perl script that I've installed on my server.
What do you think?
Pete[/i] |
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stanbusk
Site Admin
Joined: 28 Dec 2005
Posts: 2178
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| Posted: Thu Feb 07, 2008 11:14 am Post subject: |
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| That is not possible, we have to connect to each recipient MTA. This is a requirement. Note that eMail Verifier is prepared to handle server-side spam filter responses. |
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Pete246
Joined: 05 Feb 2008
Posts: 4
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| Posted: Thu Feb 07, 2008 2:16 pm Post subject: |
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| stanbusk wrote: | | That is not possible, we have to connect to each recipient MTA. This is a requirement. Note that eMail Verifier is prepared to handle server-side spam filter responses. |
I do not agree.
I used eMail Verifier over an IP anonymizer, which is actually a VPN tunnel, and it works as expected. Unfortunately the IP of this service was also blacklisted as a dial-up IP, so it made no difference with the 550 dial up IP error.
I'll try to set up a ssl or vpn tunnel to my own mailserver and check, whether this works better. I'll report back the result.
I think setting up these tunnels is just not for everyone and it might be easier for people to copy a perlscript to their webserver. eMail Verifier could send the list of all the addresses to check to the perlscript, which could contact each recipient MTA, collect the response and send it back to eMail Verifier. eMail Verifier could handle all the processing of the responses just the same way it does now. Only difference would be, the recipient MTA sees the IP of your web-server, not your dial up IP.
Hope I made it clear.
Pete |
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