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Top Forums UNIX for Beginners Questions & Answers Not able to send mail on my company's account but gmail in Linux 6.8 Post 302993138 by drysdalk on Tuesday 7th of March 2017 07:21:32 AM
Old 03-07-2017
Hi,

There are so many things that could be going on here. I'm guessing that you're attempting to send e-mail from your own Linux box, using its own local MTA (Postfix, sendmail, etc), and that when you try to send e-mail to your GMail account you get these bounce messages.

Again this is a pure guess since you've not really given us much to go on here, but if (for example) your Linux box has a hostname of foo.company.com, and you're logged in or otherwise running as 'root' at the time, then mail you send from the command line or otherwise directly through your own MTA will go out as 'root@company.com'.

Now, GMail (and many other mail services besides) tend to do all kinds of checking on incoming e-mail to determine whether or not it's valid. One of these checks can be to determine if the apparent e-mail address the sender is sending as actually exists. Now, if your company doesn't have an e-mail address called 'root@company.com' it will fail this check, and GMail will bounce the mail.

Note that if this is what is happening then this is 100% correct and valid behaviour. You almost certainly don't want to be sending mail out from your workstation as 'root@company.com'. Instead, in whatever script or command or program you're sending your mail, you need to set a valid 'From:' address to use instead. That way, mail has a better chance of going out succesfully.

Also, if your company has an e-mail gateway for sending outbound mail from, configure your own local MTA (Sendmail, postfix, etc) to be a smart relay, instead passing all its own local mail to that relay. Or just directly send out to that corporate mail relay instead, rather than submitting e-mail locally. That would be best practice in general, if you have such a facility to make use of.

Hope this helps.
 

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MU-CFIND(1)                                                   General Commands Manual                                                  MU-CFIND(1)

NAME
mu_cfind - find contacts in the mu database and export them for use in other programs. SYNOPSIS
mu cfind [options] [<pattern>] DESCRIPTION
mu cfind is the mu command for finding contacts (name and e-mail address of people who were either sender or receiver of mail). There are different output formats available, for importing the contacts into other programs. SEARCHING CONTACTS
When you index your messages (see mu index), mu creates a list of unique e-mail addresses found and the accompanying name. In case the same e-mail address is used with different names, the most recent non-empty name is used. mu cfind starts a search for contacts that match a regular expression. For example: $ mu cfind '@gmail.com' would find all contacts with a gmail-address, while $ mu cfind Mary would find all contact with Mary in either name or e-mail address. If you do not specify any search expression, mu cfind will return the full list of contacts. The regular expressions are Perl-compatible (as per the PCRE-library). OPTIONS
--format=plain|mutt-alias|mutt-ab|wl|org-contact|bbdb|csv sets the output format to the given value. The following are available: | --format= | description | |-------------+-----------------------------------| | plain | default, simple list | | mutt-alias | mutt alias-format | | mutt-ab | mutt external address book format | | wl | wanderlust addressbook format | | org-contact | org-mode org-contact format | | bbdb | BBDB format | | csv | comma-separated values | RETURN VALUE
mu cfind returns 0 upon successful completion -- that is, at least one contact was found. Anything else leads to a non-zero return value, for example: | code | meaning | |------+--------------------------------| | 0 | ok | | 1 | general error | | 2 | no matches (for 'mu cfind') | INTEGRATION WITH MUTT
You can use mu cfind as an external address book server for mutt. For this to work, add the following to your muttrc: set query_command = "mu cfind --format=mutt-ab '%s'" Now, in mutt, you can easily search for e-mail address using the query-command, which is (by default) accessible by pressing Q. ENCODING
mu cfind output is encoded according to the current locale except for --format=bbdb. This is hard-coded to UTF-8, and as such specified in the output-file, so emacs/bbdb can handle it correctly without guessing. BUGS
Please report bugs if you find them at http://code.google.com/p/mu0/issues/list. AUTHOR
Dirk-Jan C. Binnema <djcb@djcbsoftware.nl> SEE ALSO
mu(1) mu-index(1) mu-find(1) pcrepattern(3) User Manuals May 2011 MU-CFIND(1)
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