Hello all, I've been charged to develop a relay mail server in a dial-up sat connection by my company.
1a) This server must connect to Internet every 3 hours and fetch and send mails for various users. 1b) Connection must be opened by the server at the start of the process and closed when all mails are received and sent. 2a) Users can access the received mail on the server through POP clients or webmail. 2b) Users can send mail through the server with SMTP clients or webmail. I read something here and there and decided to resolve the various problems this way: getmail to fetch mail for the various users qmail or postfix are the choices for the SMTP servant pop3d (is that the right name?) to serve POP at clients squirrelmail for webmail Have to find out how to manage virtual users (I saw a couple of tools here and there), because I don't want 'mail user' = 'nix user' 1a The various processes sure can be launched by a cron job. However there is the possibilities of a power loss, possibly resulting in a "missing call" by cron. Anacron is supposed to help in these but can it manage every-3-hours jobs? Have to check... 1b In the case I will use postfix, how can I check out when it has finished sending mail to Internet (to close dialup connection)? 2a Both qmail and postfix have modules to serve mail boxes using POP3 so no problems here 2b Here comes a big question. I want a MTA that can receive mail from clients using SMTP and send those "big bag of mails" using server smtp.domain.net instead of take care to distribute every single mail. Can postfix do this? and how? However the mail provider my company is using has blocked access to the SMTP server only to authenticated users, and sat provider doesn't give SMTP services... So I have this strange question: I'm user u...@domain.net Can I send a mail to someb...@fake.net using otheru...@domain.net AS u...@domain.net keeping correct header infos to let someb...@fake.net reply to otheru...@domain.net Why this? Because as I said the mail provider we use require authentication, so my intention where to use one account to access SMTP server and from there leave the "big bag of mail" to the SMTP server of the mail provider, instead of opening different connection for every single user.
