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I have one IMAP-account. Multiple mail-addresses on different domains are routed to this single IMAP-inbox (e.g.,, Now I want to send mails via SMTP but want to choose which mail-addy is the sender.

On Mozilla Thunderbird this works perfectly using a feature called "Identities". Is MS Outlook 2003 capable of doing that?

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up vote 3 down vote accepted

SMTP does not care about that. The "sender" you see is basically in the payload - in the header of the message. SMTP is also used in server relay chains and unless it makes a difference in authentication, SMTP is not tied to a specific email address at all.

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Yes I know that. My question is, does MS Outlook 2003 (or newer) support mutliple mail-addresses from one account? – aebersold Jan 20 '12 at 11:02
So I vote to close - go to SuperUser if you dont ahve a professional administrator question. – TomTom Jan 20 '12 at 11:32
according to the FAQ on serverfault, this question should be fine here, shouldn't it? – aebersold Jan 20 '12 at 11:57
This is likely the reason it already has 3 questions to vote. What part of the FAQ do you think is relevant? This is an end user question. – TomTom Jan 20 '12 at 12:34

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