Is your anti-virus preventing you from sending emails? | 123-reg

Are you unable to send and receive emails? Find out if this issue is cause by a firewall or anti-virus, and how to fix it.

It could be that you have set up a firewall or anti-virus on the device that you are sending your emails from, which could be preventing you from sending and receiving emails.

Within your anti-virus software you should add an “allow” rule for your SMTP server setting which is and possibly the IP address for the server which is ‘’

If you are still experiencing problems, take a look at your anti-virus software support guide for more information. Don’t forget to also check our support article for more useful information:

Duration: 1:27
Publisher: 123 Reg
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