My hosting is on a shared server and it all works well, except for one recurrent email problem. Client Emails from the UK branch of a bigbusiness get returned to the sender with a 4.4.2 error. Same domain sent from the US or Asia offices are delivered. The host says ' not our problem' and the UK branch of bigbusiness. Ts eliot the cocktail party pdf. com say ' not our problem - you are the only one that this is happening to ' so what do i do next, and what additional information do i need to try and have an intelligent conversation with the relevant person (who is?) to sort this out. The 4.4.2 error means the remote mail server (at bigbusiness.com) closed the SMTP connection from your mail server early. If other mail servers are able to deliver to this domain successfully, then it's probably because the mail server for bigbusiness.com thinks your mail server is sending spam.
To see if your mail server has a glaring problem that would cause other mail servers to think it's a spammer, try sending a message from your mail server to [email protected]. This service will do a bunch of checks, and you'll get a report back with ton of information, such weather or not your mail server's DNS is setup correctly, whether your mail server's IP is on any black lists, etc. If that doesn't give you a smoking gun, then I suppose you can ask an admin from bigbusiness.com to check his spam filter logs to see why his spam filter is shutting off the connection from your mail server. His logs should show this. Hs Smtp 2 0 1 Executive Campus Cherry HillIf all else fails, you can try working around the problem by relaying these messages through a remote SMTP service, like SendGrid or JangoSMTP. Hs Smtp 2 0 1 Executive Campus Cherry Hill NjI'm having a problem setting up IIS 6's SMTP service. I configured it with the options that made the most sense to me (I have zero IIS experience) and no mail is being sent. I telnetted into the server from its own command prompt, queued a message for delivery, and nothing happened. I looked through the server logs and was unable to find anything. ![]() Hs Smtp 2 0 1 Executive CampusI appreciate that this is a very vague, general question but I'm honestly not sure where to start. Are there any quick options I should take a look at first before moving to more advanced configuration issues? HS SMTP 2.0.14 HS SMTP is a software library in C (supplied with full source code) which implements the client side of Simple Mail Transfer Protocol (SMTP) over TCP socket layer according to RFC 821.
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