Virtual domains help
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Hello all,
I wan to set up an additional domain in postfix, whereby, to the outside world it is considered a separate and distinct postfix domain. Internally I have two separate unix accounts set up: unixmaindomain and unixadditionaldomain. I want that all mail (user1@additionaldomain, user2@addtionaldomain, etc...) for the additionaldomain to be delivered to the second unix account to be downloaded by my IMAP MTU account. This is what I tried so far:- 1. mydestinations • All settings for main domain were left unchanged; • Added "additionaldomain.tld to mydestinations in main.cf; • Added additionaldomain, comma separated, to RHS of etc/postfix/aliases: e.g. "admin: maindomain, additionaldomain" The result • Continued ability to receive mail from [hidden email]; • However, could only receive mail to [hidden email] (to the correct unix account). All mail to other destinations (e.g. [hidden email]) is bounced "User unknown in local recipient table". Is there something additional I am meant to do to achieve what I want, or is it not possible using mydestinations 2. Virtual alias domains • All settings for main domain were left unchanged; • removed all references to additionaldomain from main.cf • removed all references to additionaldomain from aliases file • postaliases hash... • Created virtual_alias_domains file containing: "additionaldomain.tld 2208081538" • Postmap hash... ... etc • postmap hash... • Edited main.cf - added: virtual_alias_domains = hash:/etc/postfix/virtual_alias_domains virtual_alias_maps = hash:/etc/postfix/virtual_alias_maps • Postfix reload The result • Incoming mail rejected for all mapped users of additionaldomain. The mail failure error was: User unknown in local recipient table • The logs error read: Aug 22 22:41:05 rosario postfix/error[28924]: 09B862667D7: to=<[hidden email]>, relay=none, delay=1, status=bounced (User unknown in virtual alias table) Aug 22 22:41:05 rosario postfix/local[28926]: warning: database /etc/aliases.db is older than source file /etc/aliases Is there something additional I am meant to do to achieve what I want, or is it not possible using virtual alias domains 3. Virtual Mailbox domains • was about to try this alternative but decided to stop and ask for help. • Please help! Best Regards Rupert |
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Rupert Reid wrote:
> Hello all, > I wan to set up an additional domain in postfix, whereby, to the outside > world it is considered a separate and distinct postfix domain. > Internally I have two separate unix accounts set up: unixmaindomain and > unixadditionaldomain. I want that all mail (user1@additionaldomain, > user2@addtionaldomain, etc...) for the additionaldomain to be delivered > to the second unix account to be downloaded by my IMAP MTU account. > > This is what I tried so far:- > > 1. mydestinations > • All settings for main domain were left unchanged; > • Added "additionaldomain.tld to mydestinations in main.cf; > • Added additionaldomain, comma separated, to RHS of > etc/postfix/aliases: e.g. "admin: maindomain, additionaldomain" > > The result > • Continued to be able to send emails addressed from > [hidden email] and [hidden email]; > • Continued ability to receive mail from > [hidden email]; > • However, could only receive mail to > [hidden email] (to the correct unix account). All > mail to other destinations (e.g. [hidden email]) is bounced > "User unknown in local recipient table". > > Is there something additional I am meant to do to achieve what I want, > or is it not possible using mydestinations > > > 2. Virtual alias domains > • All settings for main domain were left unchanged; > • removed all references to additionaldomain from main.cf > • removed all references to additionaldomain from aliases file > • postaliases hash... > • Created virtual_alias_domains file containing: > "additionaldomain.tld 2208081538" do not put the domain both in virtual_alias_maps and in mydestination. chose one class. > • Postmap hash... > • Created virtual_alias_maps file containing: > "additionaldomain.tld [hidden email], > [hidden email], > [hidden email], > [hidden email], > ... etc so mail to addiotnaldomain.tld@yourdomain is delivered to the adresses that you put on the right hand. not what you want... Please read the "TABLE SEARCH ORDER" in http://www.postfix.org/virtual.5.html do see the "@" at the beginning of "@domain"? also note that - you can use virtual_alias_maps without putting the domain in virtual_alias_domains. virtual_alias_maps work for all domain. - if the domain is a virtual alias domain, then its addresses must be mapped to another domain. otherwise, postfix does not know how to deliver. - if mail is delivered via local (mydestination), the domain part is irrelevant at delivery time (so alias_maps do not distinguish between different domains). you need to map the addresses using virtual_alias_maps: [hidden email] [hidden email] [hidden email] [hidden email] ... do not use wildcard aliases unless you want to accept all addresses (then you'll get a lot of spam). > • postmap hash... > • Edited main.cf - added: virtual_alias_domains = > hash:/etc/postfix/virtual_alias_domains > virtual_alias_maps = > hash:/etc/postfix/virtual_alias_maps > • Postfix reload > > The result > • Incoming mail rejected for all mapped users of additionaldomain. > The mail failure error was: User unknown in local recipient table we only trust logs. so I ignore the "error" above. > • The logs error read: > Aug 22 22:41:05 rosario postfix/error[28924]: 09B862667D7: > to=<[hidden email]>, relay=none, delay=1, status=bounced > (User unknown in virtual alias table) the domain is listed as a virtual alias domain but the address is not found in virtual_alias_maps. > Aug 22 22:41:05 rosario postfix/local[28926]: warning: database > /etc/aliases.db is older than source file /etc/aliases fix this. your postfix is using /etc/aliases while you think it should use /etc/postfix/aliases. check the values of alias_maps and alias_database using the postconf command. > > Is there something additional I am meant to do to achieve what I want, > or is it not possible using virtual alias domains > it is better to explain your goal without implementation details (forget about postfix for a few minutes and explain your goal in "functional" terms). If I understand correctly, you want to add a domain named new.example and you want all mail to this domain to go to the "newuser" account. if so, - add new.example somestring to virtual_alias_domains - put [hidden email] [hidden email] [hidden email] [hidden email] #@new.example [hidden email] in your virtual_alias_maps. here, example.com is any domain listed in mydestination. you can use "newuser" without a domain part, but you may have problems if you play with myorigin. so it is safer to put the domain part explicitely (or at least, make sure that $myorigin is listed under mydestination). if you want delivery to multiple accounts, adjust as needed. if you uncomment the "#new.example" catchall line, all [hidden email] addresses will be accepted, so you will get a lot of spam. I wouldn't do this, but it's up to you. Note that the "target" addresses (the addresses to which mail is forwarded) are not in a virtual alias domain. they are in a local domain (domain in mydestination). The idea is that after virtual alias expansion (this is recursive. see the docs), postfix must know how to deliver the address (either deliver to a mailbox, or pass the message to another MTA). > 3. Virtual Mailbox domains > • was about to try this alternative but decided to stop and ask for > help. > • Please help! > > Best Regards > Rupert > > > > |
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