2 Corinthians 2:11

for we are not ignorant of his devices.

2 Corinthians 11:13-15

For such are false apostles, deceitful workers, transformed into apostles of Christ.

Ephesians 6:11

Put on the whole armour of God, that ye may be able to stand against the wiles of the Devil.

2 Thessalonians 2:10

and wonders, and with all iniquitous fraud, among those that shall perish; because they received not the love of the truth, by which they might be saved.

Treasury of Scripture Knowledge

Summary

Then sent Sanballat his servant unto me in like manner the fifth time with an open letter in his hand;

Bible References

With an open letter

2 Corinthians 2:11
for we are not ignorant of his devices.
2 Corinthians 11:13
For such are false apostles, deceitful workers, transformed into apostles of Christ.
Ephesians 6:11
Put on the whole armour of God, that ye may be able to stand against the wiles of the Devil.
2 Thessalonians 2:10
and wonders, and with all iniquitous fraud, among those that shall perish; because they received not the love of the truth, by which they might be saved.