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VPN Users (CISCO) on iOS cannont send Email via SMTP

Hi there,

we have a big problem with our iPhones and sending E-Mails via SMTP.
The iPhones do connect to our LAN via CiscoVPN and get a static IP-Adress.

We have an internal e-Mail-server (KOLAB), where AppleMAIL on the iPhone connects to.

When i use AppleMAIL on the iphone, i receive new E-Mails via IMAP, but AppleMail won`t send E-Mails via SMTP.

Both Proxies on the Sophos, SMTP and POP are enabled.

Can anyone help?

Thanks in advance!

Lars


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Parents
  • hi,
    thanks for the reply!

    the kolab server works for any vpn ip with notebooks and outlook!
    ONLY ios devices with IMAP AND SMTP do have the problem, that they cannot send emails through the mailserver

    the notebooks are using pop3 and smtp

    any other suggestions?
    thank you very much!

    lars
Reply
  • hi,
    thanks for the reply!

    the kolab server works for any vpn ip with notebooks and outlook!
    ONLY ios devices with IMAP AND SMTP do have the problem, that they cannot send emails through the mailserver

    the notebooks are using pop3 and smtp

    any other suggestions?
    thank you very much!

    lars
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