1 Topic by umashankerp

  • umashankerp
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Topic: Sending mails to other e-mail servers ?

i would like to implement iredmail server as our internal mail server
Is it possible to receive mails from outside mail servers like gmail.com,rediffmail.com,yahoo.com etc..
Similarly, Can i send mails to outside mail servers ?
Pls clarify my doubt

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Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

2 Reply by umashankerp

  • umashankerp
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Re: Sending mails to other e-mail servers ?

Similarly what port numbers to be opened on my corporate firewall to do so ?

3 Reply by maxie_ro

  • maxie_ro
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  • From: Constanţa, România
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Re: Sending mails to other e-mail servers ?

Is it possible to receive mails from outside mail servers like gmail.com,rediffmail.com,yahoo.com etc..

Of course !!! Make sure you set the proper MX in your DNS, make sure you have your domain set-up in iRedmail and so on (the usual stuff).

Similarly, Can i send mails to outside mail servers ?

Again, of course you can, but for best results make sure you have the proper reverse DNS, SPF and DKIM entries.

Similarly what port numbers to be opened on my corporate firewall to do so ?

The usual ports...
25 for exchange SMTP
587 and 465 for submission SMTP (unencrypted & crypted)
143 and 993 for IMAP
110 and 995 for POP3
80 for HTTP

4 Reply by umashankerp

  • umashankerp
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Re: Sending mails to other e-mail servers ?

Thank you very much