[GH-ISSUE #1311] Difference between domain alias and relay domain #1057

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opened 2026-02-27 11:15:00 +03:00 by kerem · 5 comments

kerem commented

2026-02-27 11:15:00 +03:00

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Originally created by @hadifarnoud on GitHub (Nov 30, 2017).
Original GitHub issue: https://github.com/modoboa/modoboa/issues/1311

how domain aliases work? do I need to do anything else other than adding them as an alias to a domain? it does not work for me.

so, I tried relay domain. that doesn't work either. what is the difference between relay domain and domain alias?

Originally created by @hadifarnoud on GitHub (Nov 30, 2017). Original GitHub issue: https://github.com/modoboa/modoboa/issues/1311 how domain aliases work? do I need to do anything else other than adding them as an alias to a domain? it does not work for me. so, I tried relay domain. that doesn't work either. what is the difference between relay domain and domain alias?

kerem closed this issue

2026-02-27 11:15:00 +03:00

kerem commented

2026-02-27 11:15:01 +03:00

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@tonioo commented on GitHub (Nov 30, 2017):

An alias domain applies to every mailbox of a domain. For example, if you have a domain test.com which contains your mailboxes, if you create a test.org alias, then every mailbox will automatically have @test.org alias. For example:

hadi@test.com (the original address)
hadi@test.org (thanks to the domain alias)

A relay domain is different because your modoboa server is not the final destination. It is generally useful when modoboa acts as a filtering gateway for another SMTP server. In this case, you define a relay domain and relay it to the destination server.

@tonioo commented on GitHub (Nov 30, 2017): An alias domain applies to every mailbox of a domain. For example, if you have a domain test.com which contains your mailboxes, if you create a test.org alias, then every mailbox will automatically have @test.org alias. For example: * hadi@test.com (the original address) * hadi@test.org (thanks to the domain alias) A relay domain is different because your modoboa server is not the final destination. It is generally useful when modoboa acts as a filtering gateway for another SMTP server. In this case, you define a relay domain and relay it to the destination server.

kerem commented

2026-02-27 11:15:01 +03:00

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@tonioo commented on GitHub (Dec 8, 2017):

@hadifarnoud Does it answer your question?

@tonioo commented on GitHub (Dec 8, 2017): @hadifarnoud Does it answer your question?

kerem commented

2026-02-27 11:15:01 +03:00

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@hadifarnoud commented on GitHub (Dec 8, 2017):

yes, thank you.

@hadifarnoud commented on GitHub (Dec 8, 2017): yes, thank you.

kerem commented

2026-02-27 11:15:01 +03:00

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@openaspace commented on GitHub (Oct 22, 2022):

But when adding a domain relay, the DKIM PFS DMARK etc.. are still valid from the main domain?

@openaspace commented on GitHub (Oct 22, 2022): But when adding a domain relay, the DKIM PFS DMARK etc.. are still valid from the main domain?

kerem commented

2026-02-27 11:15:01 +03:00

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@tonioo commented on GitHub (Oct 24, 2022):

@openaspace yes

@tonioo commented on GitHub (Oct 24, 2022): @openaspace yes

kerem referenced this issue

2026-02-27 12:09:21 +03:00

[PR #1057] [MERGED] Make sure signal is not shared between threads. #2107