[twsocket] Sending Mail using MX records
Am I correct in thinking that the SMTP client component does not support natively sending mail using MX records ? In other words if I want to send mail using MX records I'd have to do a DNS lookup on the recipients email address then connect to that server using the SMTP client component, send the email, disconnect and then repeat for any other TO, CC or BCC addresses ? If this is the case, I don't suppose anyone has any sample code where they might have already done something like this ? I searched the archives and found some code to get the MX record from a DNS server, but nothing more. regards David David Rose Navigator Systems Ltd, Network Business Centre, 3 Gloucester Street, Bath, BA1 2SE,UK Main Tel: +44 (0)7000 NAVSYS (628797) Fax: +44 (0)7000 NAVFAX (628329) Company Email: [EMAIL PROTECTED] (Private e-mail on request) CONFIDENTIALITY NOTICE The contents of this e-mail are confidential to the ordinary user of the e-mail address to which it was addressed and may also be privileged. If you are not the addressee of this e-mail you may not copy, forward, disclose or otherwise use it or any part of it in any form whatsoever. If you have received this e-mail in error please e-mail the sender by replying to this message. -- To unsubscribe or change your settings for TWSocket mailing list please goto http://www.elists.org/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
Re: [twsocket] Sending Mail using MX records
Am I correct in thinking that the SMTP client component does not support natively sending mail using MX records ? In other words if I want to send mail using MX records I'd have to do a DNS lookup on the recipients email address then connect to that server using the SMTP client component, send the email, disconnect and then repeat for any other TO, CC or BCC addresses ? Right. Use ICS TDnsQuery component. It is good programming practice to split different operations into different component. SMTP component handle SMTP protocol, DNS component handle DNS requests such as MX record. You are free to combine both components in your own component (or application) if it happend that it is useful for you :-) If this is the case, I don't suppose anyone has any sample code where they might have already done something like this ? I searched the archives and found some code to get the MX record from a DNS server, but nothing more. Look at the NsLookup demo included with ICS. -- Contribute to the SSL Effort. Visit http://www.overbyte.be/eng/ssl.html -- [EMAIL PROTECTED] Author of ICS (Internet Component Suite, freeware) Author of MidWare (Multi-tier framework, freeware) http://www.overbyte.be -- To unsubscribe or change your settings for TWSocket mailing list please goto http://www.elists.org/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
Re: [twsocket] Sending Mail using MX records
David Rose wrote: Am I correct in thinking that the SMTP client component does not support natively sending mail using MX records ? Yes. As you point out, it is an SMTP client component, and as such connects to a specified SMTP server. Performing direct connections to recipients' servers is the job of an SMTP server. In other words if I want to send mail using MX records I'd have to do a DNS lookup on the recipients email address then connect to that server using the SMTP client component, send the email, disconnect and then repeat for any other TO, CC or BCC addresses ? Yes. But be aware that many ISPs do not allow direct connections from unknown SMTP clients/servers. In particular, you must make sure that your IP address is not dynamic, and that your domain's DNS has a correct PTR record for enabling reverse-DNS lookups, otherwise they will assume you are a spammer and deny connections from you. dZ. -- To unsubscribe or change your settings for TWSocket mailing list please goto http://www.elists.org/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
