Confusion with Gmail SMTP servers in Mac Mail

Discussion in 'Mac Apps and Mac App Store' started by sultanoflondon, Jan 11, 2015.

  1. sultanoflondon macrumors 6502

    Dec 3, 2013
    Hi all,

    I use Mac Mail on my iMac running OS X Yosemite 10.10.1.

    I have multiple Gmail accounts configured on Mac Mail and all of them seem to use one common SMTP server for outgoing mail, however each of them have their own, separate IMAP server.

    This one common SMTP server is in the name of one certain Gmail address 'A'.

    This means that whenever I try to send mail from Gmail addresses 'B' or 'C', its sends from the Gmail SMTP server of 'A'. Consequently, I think that Mac Mail gets confused and then sends the email from Gmail address 'A', which I don't want because from certain reasons, some particular emails must be sent from Gmail address 'B' or 'C'.

    Please help me in setting up individual SMTP servers for each address.
  2. MisterMe macrumors G4


    Jul 17, 2002
    Unless you have some as yet unspecified need, then there is no purpose in setting-up separate SMTP. Each email account is defined by its incoming mail server--either POP3 or IMAP. Outgoing mail servers (SMTP) are conveniences that have come to pay a large role in email security, especially in combating SPAM and malware. SMTP servers generally protect ISPs from undesirable mail from outside domains. Those who are old enough to remember MacOS X 10.0 will remember that its bundled of Mail did not require an SMTP server. Your Mac was its own SMTP server.

    If you have a mobile computer such as a laptop, then establishing an exclusive relationship between your SMTP server and the email account is counter productive. Mobile computers have access to whichever domain their wireless router uses to access the Internet. Not all ISPs accept email from all SMTP servers. Your iPhone or iPad solves this problem by automatically failing through to the next on your list of SMTP servers until it finds one that will send your message.

    With the setup that you are trying to construct, you may find that you cannot send email until you return to your home or office.

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